630431108752 has 10 divisors (see below), whose sum is σ = 1221460273238. Its totient is φ = 315215554368.

The previous prime is 630431108719. The next prime is 630431108753. The reversal of 630431108752 is 257801134036.

It can be written as a sum of positive squares in only one way, i.e., 421413898896 + 209017209856 = 649164^2 + 457184^2 .

It is not an unprimeable number, because it can be changed into a prime (630431108753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19700972133 + ... + 19700972164.

Almost surely, 2^630431108752 is an apocalyptic number.

It is an amenable number.

630431108752 is a deficient number, since it is larger than the sum of its proper divisors (591029164486).

630431108752 is a wasteful number, since it uses less digits than its factorization.

630431108752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39401944305 (or 39401944299 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 630431108752 in words is "six hundred thirty billion, four hundred thirty-one million, one hundred eight thousand, seven hundred fifty-two".