634575008972 has 24 divisors (see below), whose sum is σ = 1121049960576. Its totient is φ = 314278610688.

The previous prime is 634575008941. The next prime is 634575008987. The reversal of 634575008972 is 279800575436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260318 + ... + 1156250.

It is an arithmetic number, because the mean of its divisors is an integer number (46710415024).

Almost surely, 2^634575008972 is an apocalyptic number.

It is an amenable number.

634575008972 is a deficient number, since it is larger than the sum of its proper divisors (486474951604).

634575008972 is a wasteful number, since it uses less digits than its factorization.

634575008972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897617 (or 897615 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 634575008972 in words is "six hundred thirty-four billion, five hundred seventy-five million, eight thousand, nine hundred seventy-two".