634801713625 has 16 divisors (see below), whose sum is σ = 811555290000. Its totient is φ = 495454992000.

The previous prime is 634801713613. The next prime is 634801713629. The reversal of 634801713625 is 526317108436.

634801713625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 175670795161 + 459130918464 = 419131^2 + 677592^2 .

It is not a de Polignac number, because 634801713625 - 2⁵ = 634801713593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634801713629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61926750 + ... + 61936999.

It is an arithmetic number, because the mean of its divisors is an integer number (50722205625).

Almost surely, 2^634801713625 is an apocalyptic number.

It is an amenable number.

634801713625 is a deficient number, since it is larger than the sum of its proper divisors (176753576375).

634801713625 is a wasteful number, since it uses less digits than its factorization.

634801713625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123863805 (or 123863795 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 634801713625 in words is "six hundred thirty-four billion, eight hundred one million, seven hundred thirteen thousand, six hundred twenty-five".