6679439632 has 20 divisors (see below), whose sum is σ = 13002754576. Its totient is φ = 3323890080.

The previous prime is 6679439623. The next prime is 6679439647. The reversal of 6679439632 is 2369349766.

It is a super-2 number, since 2×6679439632² = 89229827595064590848, 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, 985878 + ... + 992629.

Almost surely, 2^6679439632 is an apocalyptic number.

It is an amenable number.

6679439632 is a deficient number, since it is larger than the sum of its proper divisors (6323314944).

6679439632 is a wasteful number, since it uses less digits than its factorization.

6679439632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978726 (or 1978720 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 55.

The square root of 6679439632 is about 81727.8387821433. The cubic root of 6679439632 is about 1883.2732729918.

The spelling of 6679439632 in words is "six billion, six hundred seventy-nine million, four hundred thirty-nine thousand, six hundred thirty-two".