6864991370379 has 24 divisors (see below), whose sum is σ = 10499518345680. Its totient is φ = 4307396425728.

The previous prime is 6864991370329. The next prime is 6864991370381. The reversal of 6864991370379 is 9730731994686.

6864991370379 is a `hidden beast` number, since 6 + 86 + 49 + 9 + 137 + 0 + 379 = 666.

It is not a de Polignac number, because 6864991370379 - 2⁸ = 6864991370123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6864991370329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16980424 + ... + 17380010.

It is an arithmetic number, because the mean of its divisors is an integer number (437479931070).

Almost surely, 2^{6864991370379} is an apocalyptic number.

6864991370379 is a deficient number, since it is larger than the sum of its proper divisors (3634526975301).

6864991370379 is a wasteful number, since it uses less digits than its factorization.

6864991370379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511899 (or 511896 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 6864991370379 in words is "six trillion, eight hundred sixty-four billion, nine hundred ninety-one million, three hundred seventy thousand, three hundred seventy-nine".