252968276691 has 32 divisors (see below), whose sum is σ = 403718712320. Its totient is φ = 155625496992.

The previous prime is 252968276689. The next prime is 252968276699. The reversal of 252968276691 is 196672869252.

It is not a de Polignac number, because 252968276691 - 2¹ = 252968276689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252968276699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065600 + ... + 1281186.

It is an arithmetic number, because the mean of its divisors is an integer number (12616209760).

Almost surely, 2^252968276691 is an apocalyptic number.

252968276691 is a deficient number, since it is larger than the sum of its proper divisors (150750435629).

252968276691 is a wasteful number, since it uses less digits than its factorization.

252968276691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218952 (or 218946 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 252968276691 in words is "two hundred fifty-two billion, nine hundred sixty-eight million, two hundred seventy-six thousand, six hundred ninety-one".