As a deist, I believe he existed, like Mohammed or like other prophets but in a way how historical papers said, not religion related.
History always gives a human being that leads the people. Religion was (and still) a good weapon to gather people. Jesus was one of them, probably a clever one like others. Back in the days, religion was a important thing, people tended to believe no matter what, it's kinda human nature (which is why I don't understand ateism) So, some one had to do something. But in religion way, I don't believe he had power beyond nature. Just a human being, that's all.