634456413 has 12 divisors (see below), whose sum is σ = 925335840. Its totient is φ = 418863816.

The previous prime is 634456391. The next prime is 634456429. The reversal of 634456413 is 314654436.

634456413 is a `hidden beast` number, since 6 + 3 + 4 + 4 + 5 + 641 + 3 = 666.

It is not a de Polignac number, because 634456413 - 2⁶ = 634456349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634451413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341283 + ... + 343136.

It is an arithmetic number, because the mean of its divisors is an integer number (77111320).

Almost surely, 2^634456413 is an apocalyptic number.

It is an amenable number.

634456413 is a deficient number, since it is larger than the sum of its proper divisors (290879427).

634456413 is a wasteful number, since it uses less digits than its factorization.

634456413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684528 (or 684525 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 634456413 is about 25188.4182314015. The cubic root of 634456413 is about 859.2784704412.

The spelling of 634456413 in words is "six hundred thirty-four million, four hundred fifty-six thousand, four hundred thirteen".