2623817635664 has 20 divisors (see below), whose sum is σ = 5083778950656. Its totient is φ = 1311874680672.

The previous prime is 2623817635631. The next prime is 2623817635679. The reversal of 2623817635664 is 4665367183262.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1493654 + ... + 2734709.

Almost surely, 2^{2623817635664} is an apocalyptic number.

It is an amenable number.

2623817635664 is a deficient number, since it is larger than the sum of its proper divisors (2459961314992).

2623817635664 is a wasteful number, since it uses less digits than its factorization.

2623817635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267154 (or 4267148 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 59.

The spelling of 2623817635664 in words is "two trillion, six hundred twenty-three billion, eight hundred seventeen million, six hundred thirty-five thousand, six hundred sixty-four".