6679968738 has 32 divisors (see below), whose sum is σ = 14328446400. Its totient is φ = 2069660736.

The previous prime is 6679968709. The next prime is 6679968749. The reversal of 6679968738 is 8378699766.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546753 + ... + 558836.

It is an arithmetic number, because the mean of its divisors is an integer number (447763950).

Almost surely, 2^6679968738 is an apocalyptic number.

6679968738 is an abundant number, since it is smaller than the sum of its proper divisors (7648477662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6679968738 is a wasteful number, since it uses less digits than its factorization.

6679968738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105666.

The product of its digits is 164602368, while the sum is 69.

The square root of 6679968738 is about 81731.0757178688. The cubic root of 6679968738 is about 1883.3229989635.

The spelling of 6679968738 in words is "six billion, six hundred seventy-nine million, nine hundred sixty-eight thousand, seven hundred thirty-eight".