252949374685 has 16 divisors (see below), whose sum is σ = 350084592000. Its totient is φ = 171859703616.

The previous prime is 252949374673. The next prime is 252949374703. The reversal of 252949374685 is 586473949252.

It is a cyclic number.

It is not a de Polignac number, because 252949374685 - 2⁵ = 252949374653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33148135 + ... + 33155764.

It is an arithmetic number, because the mean of its divisors is an integer number (21880287000).

Almost surely, 2^252949374685 is an apocalyptic number.

It is an amenable number.

252949374685 is a deficient number, since it is larger than the sum of its proper divisors (97135217315).

252949374685 is a wasteful number, since it uses less digits than its factorization.

252949374685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66304020.

The product of its digits is 130636800, while the sum is 64.

The spelling of 252949374685 in words is "two hundred fifty-two billion, nine hundred forty-nine million, three hundred seventy-four thousand, six hundred eighty-five".