5625906818 has 16 divisors (see below), whose sum is σ = 9729763200. Its totient is φ = 2389765056.

The previous prime is 5625906787. The next prime is 5625906829. The reversal of 5625906818 is 8186095265.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776518 + ... + 1779681.

It is an arithmetic number, because the mean of its divisors is an integer number (608110200).

Almost surely, 2^5625906818 is an apocalyptic number.

5625906818 is a deficient number, since it is larger than the sum of its proper divisors (4103856382).

5625906818 is a wasteful number, since it uses less digits than its factorization.

5625906818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556321.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The square root of 5625906818 is about 75006.0452097029. The cubic root of 5625906818 is about 1778.5422161431.

The spelling of 5625906818 in words is "five billion, six hundred twenty-five million, nine hundred six thousand, eight hundred eighteen".