630431064 has 48 divisors (see below), whose sum is σ = 1708597800. Its totient is φ = 209998464.

The previous prime is 630431059. The next prime is 630431071. The reversal of 630431064 is 460134036.

630431064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170467 + ... + 174125.

Almost surely, 2^630431064 is an apocalyptic number.

It is an amenable number.

630431064 is an abundant number, since it is smaller than the sum of its proper divisors (1078166736).

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

630431064 is a wasteful number, since it uses less digits than its factorization.

630431064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064 (or 6057 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 630431064 is about 25108.3863280777. The cubic root of 630431064 is about 857.4573646803.

The spelling of 630431064 in words is "six hundred thirty million, four hundred thirty-one thousand, sixty-four".