6694862761631 has 12 divisors (see below), whose sum is σ = 7407549994992. Its totient is φ = 6045932640000.

The previous prime is 6694862761627. The next prime is 6694862761649. The reversal of 6694862761631 is 1361672684966.

It is not a de Polignac number, because 6694862761631 - 2² = 6694862761627 is a prime.

It is a super-2 number, since 2×6694862761631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694862751631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183191810 + ... + 183228351.

It is an arithmetic number, because the mean of its divisors is an integer number (617295832916).

Almost surely, 2^{6694862761631} is an apocalyptic number.

6694862761631 is a deficient number, since it is larger than the sum of its proper divisors (712687233361).

6694862761631 is a wasteful number, since it uses less digits than its factorization.

6694862761631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366420334 (or 366420323 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 65.

The spelling of 6694862761631 in words is "six trillion, six hundred ninety-four billion, eight hundred sixty-two million, seven hundred sixty-one thousand, six hundred thirty-one".