There is no way that Alexander the Great could be prophesied either by Christianity or Islam, since he died before either of those two religions was founded. The Egyptians did acknowledge him as a demidivinity. I really enjoyed this article from the World History Encyclopedia: https://www.worldhistory.org/article/925/alexander-the-great-as-a-god/
I said mosquitos because two of the leading theories on the cause of his death are malaria and West Nile Virus.
Phillip of Macedaon gave him invented the Macedonian phalanx and left his son the worlds best army as well as all of his plans to invade persia before he got assasinated, So he was given everything he needed
Julius caesar had to beat crassus and pompey before he could get to invading other countries. Also after alexander the great's death his empire fell apart but julius caesar's line went until the emperor claudius.