634329012 has 12 divisors (see below), whose sum is σ = 1480101056. Its totient is φ = 211443000.

The previous prime is 634329011. The next prime is 634329019. The reversal of 634329012 is 210923436.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×634329012² = 804746590929792288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634329011) by changing a digit.

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, 26430364 + ... + 26430387.

Almost surely, 2^634329012 is an apocalyptic number.

It is an amenable number.

634329012 is an abundant number, since it is smaller than the sum of its proper divisors (845772044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634329012 is a wasteful number, since it uses less digits than its factorization.

634329012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860758 (or 52860756 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 634329012 is about 25185.8891445190. The cubic root of 634329012 is about 859.2209512471.

The spelling of 634329012 in words is "six hundred thirty-four million, three hundred twenty-nine thousand, twelve".