6866938684 has 12 divisors (see below), whose sum is σ = 12018899200. Its totient is φ = 3432967488.

The previous prime is 6866938583. The next prime is 6866938699. The reversal of 6866938684 is 4868396686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93789 + ... + 150100.

Almost surely, 2^6866938684 is an apocalyptic number.

It is an amenable number.

6866938684 is a deficient number, since it is larger than the sum of its proper divisors (5151960516).

6866938684 is a wasteful number, since it uses less digits than its factorization.

6866938684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250932 (or 250930 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 64.

The square root of 6866938684 is about 82866.9939360660. The cubic root of 6866938684 is about 1900.7327445239.

The spelling of 6866938684 in words is "six billion, eight hundred sixty-six million, nine hundred thirty-eight thousand, six hundred eighty-four".