5668643937 has 12 divisors (see below), whose sum is σ = 8307765200. Its totient is φ = 3435541560.

The previous prime is 5668643933. The next prime is 5668643951. The reversal of 5668643937 is 7393468665.

It is not a de Polignac number, because 5668643937 - 2² = 5668643933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5668643933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7807687 + ... + 7808412.

Almost surely, 2^5668643937 is an apocalyptic number.

It is an amenable number.

5668643937 is a deficient number, since it is larger than the sum of its proper divisors (2639121263).

5668643937 is a wasteful number, since it uses less digits than its factorization.

5668643937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616124 (or 15616113 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The square root of 5668643937 is about 75290.3973757610. The cubic root of 5668643937 is about 1783.0344169524.

The spelling of 5668643937 in words is "five billion, six hundred sixty-eight million, six hundred forty-three thousand, nine hundred thirty-seven".