634734257932 has 12 divisors (see below), whose sum is σ = 1118141144176. Its totient is φ = 315265359600.

The previous prime is 634734257929. The next prime is 634734257953. The reversal of 634734257932 is 239752437436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525441663 + ... + 525442870.

Almost surely, 2^634734257932 is an apocalyptic number.

It is an amenable number.

634734257932 is a deficient number, since it is larger than the sum of its proper divisors (483406886244).

634734257932 is a wasteful number, since it uses less digits than its factorization.

634734257932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050884688 (or 1050884686 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 55.

The spelling of 634734257932 in words is "six hundred thirty-four billion, seven hundred thirty-four million, two hundred fifty-seven thousand, nine hundred thirty-two".