Was Constantine The Great a Nicene Christian?

Lately I've been trying to figure out whether or not Constantine is a Nicene Christian. He was baptised by Eusebius who was of course an Arian. And since he was very close to Eusebius, he was influenced by Arian views (exiling Saint Athanasius). Some sources I have looked at say that he favored Arianism instead of the Orthodox christian view. Others say that he also exiled Eusebius because he continued to teach Arianism. Was Constantine an Orthodox/Nicene Christian believing Christ was in fact God?