634465564436 has 48 divisors (see below), whose sum is σ = 1276938432000. Its totient is φ = 272800009440.

The previous prime is 634465564427. The next prime is 634465564487.

634465564436 is nontrivially palindromic in base 10.

It is a congruent number.

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, 24896 + ... + 1126743.

It is an arithmetic number, because the mean of its divisors is an integer number (26602884000).

Almost surely, 2^634465564436 is an apocalyptic number.

It is an amenable number.

634465564436 is an abundant number, since it is smaller than the sum of its proper divisors (642472867564).

634465564436 is a wasteful number, since it uses less digits than its factorization.

634465564436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152332 (or 1152330 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 56.

The spelling of 634465564436 in words is "six hundred thirty-four billion, four hundred sixty-five million, five hundred sixty-four thousand, four hundred thirty-six".