5631388132 has 12 divisors (see below), whose sum is σ = 9857329020. Its totient is φ = 2815008416.

The previous prime is 5631388043. The next prime is 5631388141. The reversal of 5631388132 is 2318831365.

It can be written as a sum of positive squares in 2 ways, for example, as 751527396 + 4879860736 = 27414^2 + 69856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152707 + ... + 185962.

It is an arithmetic number, because the mean of its divisors is an integer number (821444085).

Almost surely, 2^5631388132 is an apocalyptic number.

It is an amenable number.

5631388132 is a deficient number, since it is larger than the sum of its proper divisors (4225940888).

5631388132 is a wasteful number, since it uses less digits than its factorization.

5631388132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342830 (or 342828 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 5631388132 is about 75042.5754622001. The cubic root of 5631388132 is about 1779.1196391443.

The spelling of 5631388132 in words is "five billion, six hundred thirty-one million, three hundred eighty-eight thousand, one hundred thirty-two".