6631936364 has 12 divisors (see below), whose sum is σ = 11608161600. Its totient is φ = 3315318768.

The previous prime is 6631936331. The next prime is 6631936387. The reversal of 6631936364 is 4636391366.

It is a super-2 number, since 2×6631936364² = 87965159872291080992, which contains 22 as substring.

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, 139004 + ... + 180515.

It is an arithmetic number, because the mean of its divisors is an integer number (967346800).

Almost surely, 2^6631936364 is an apocalyptic number.

It is an amenable number.

6631936364 is a deficient number, since it is larger than the sum of its proper divisors (4976225236).

6631936364 is a wasteful number, since it uses less digits than its factorization.

6631936364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324712 (or 324710 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 47.

The square root of 6631936364 is about 81436.7015785880. The cubic root of 6631936364 is about 1878.7981193092.

The spelling of 6631936364 in words is "six billion, six hundred thirty-one million, nine hundred thirty-six thousand, three hundred sixty-four".