634124913 has 32 divisors (see below), whose sum is σ = 889232256. Its totient is φ = 401576448.

The previous prime is 634124903. The next prime is 634124929. The reversal of 634124913 is 319421436.

It is not a de Polignac number, because 634124913 - 2⁸ = 634124657 is a prime.

It is a super-2 number, since 2×634124913² = 804228810574515138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634124903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936331 + ... + 937007.

It is an arithmetic number, because the mean of its divisors is an integer number (27788508).

Almost surely, 2^634124913 is an apocalyptic number.

It is an amenable number.

634124913 is a deficient number, since it is larger than the sum of its proper divisors (255107343).

634124913 is a wasteful number, since it uses less digits than its factorization.

634124913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 15552, while the sum is 33.

The square root of 634124913 is about 25181.8369663533. The cubic root of 634124913 is about 859.1287882710.

The spelling of 634124913 in words is "six hundred thirty-four million, one hundred twenty-four thousand, nine hundred thirteen".