696621455938 has 32 divisors (see below), whose sum is σ = 1085009022720. Its totient is φ = 335208240000.

The previous prime is 696621455899. The next prime is 696621455953. The reversal of 696621455938 is 839554126696.

696621455938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 696621455938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089233 + ... + 2399611.

It is an arithmetic number, because the mean of its divisors is an integer number (33906531960).

Almost surely, 2^696621455938 is an apocalyptic number.

696621455938 is a deficient number, since it is larger than the sum of its proper divisors (388387566782).

696621455938 is a wasteful number, since it uses less digits than its factorization.

696621455938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310794.

The product of its digits is 83980800, while the sum is 64.

The spelling of 696621455938 in words is "six hundred ninety-six billion, six hundred twenty-one million, four hundred fifty-five thousand, nine hundred thirty-eight".