2689969257964 has 12 divisors (see below), whose sum is σ = 4753149563344. Its totient is φ = 1331926525584.

The previous prime is 2689969257919. The next prime is 2689969258129. The reversal of 2689969257964 is 4697529699862.

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, 3264525387 + ... + 3264526210.

Almost surely, 2^{2689969257964} is an apocalyptic number.

It is an amenable number.

2689969257964 is a deficient number, since it is larger than the sum of its proper divisors (2063180305380).

2689969257964 is a wasteful number, since it uses less digits than its factorization.

2689969257964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529051704 (or 6529051702 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 82.

The spelling of 2689969257964 in words is "two trillion, six hundred eighty-nine billion, nine hundred sixty-nine million, two hundred fifty-seven thousand, nine hundred sixty-four".