634697337902 has 16 divisors (see below), whose sum is σ = 953134711200. Its totient is φ = 316985964672.

The previous prime is 634697337889. The next prime is 634697337983. The reversal of 634697337902 is 209733796436.

It is a happy number.

634697337902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 6648218 + ... + 6743010.

It is an arithmetic number, because the mean of its divisors is an integer number (59570919450).

Almost surely, 2^634697337902 is an apocalyptic number.

634697337902 is a deficient number, since it is larger than the sum of its proper divisors (318437373298).

634697337902 is a wasteful number, since it uses less digits than its factorization.

634697337902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98587.

The product of its (nonzero) digits is 30862944, while the sum is 59.

The spelling of 634697337902 in words is "six hundred thirty-four billion, six hundred ninety-seven million, three hundred thirty-seven thousand, nine hundred two".