5665424636 has 24 divisors (see below), whose sum is σ = 10439278080. Its totient is φ = 2682858672.

The previous prime is 5665424629. The next prime is 5665424651. The reversal of 5665424636 is 6364245665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329591 + ... + 346353.

It is an arithmetic number, because the mean of its divisors is an integer number (434969920).

Almost surely, 2^5665424636 is an apocalyptic number.

It is an amenable number.

5665424636 is a deficient number, since it is larger than the sum of its proper divisors (4773853444).

5665424636 is a wasteful number, since it uses less digits than its factorization.

5665424636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233 (or 21231 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 47.

The square root of 5665424636 is about 75269.0151124618. The cubic root of 5665424636 is about 1782.6968164304.

The spelling of 5665424636 in words is "five billion, six hundred sixty-five million, four hundred twenty-four thousand, six hundred thirty-six".