2265949376864 has 96 divisors (see below), whose sum is σ = 4519565568000. Its totient is φ = 1118240640000.

The previous prime is 2265949376863. The next prime is 2265949376869. The reversal of 2265949376864 is 4686739495622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265949376863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647597387 + ... + 647600885.

It is an arithmetic number, because the mean of its divisors is an integer number (47078808000).

Almost surely, 2^{2265949376864} is an apocalyptic number.

It is an amenable number.

2265949376864 is a deficient number, since it is larger than the sum of its proper divisors (2253616191136).

2265949376864 is a wasteful number, since it uses less digits than its factorization.

2265949376864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 4476 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 71.

The spelling of 2265949376864 in words is "two trillion, two hundred sixty-five billion, nine hundred forty-nine million, three hundred seventy-six thousand, eight hundred sixty-four".