252396993476 has 6 divisors (see below), whose sum is σ = 441694738590. Its totient is φ = 126198496736.

The previous prime is 252396993449. The next prime is 252396993481. The reversal of 252396993476 is 674399693252.

It can be written as a sum of positive squares in only one way, i.e., 245992192576 + 6404800900 = 495976^2 + 80030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31549624181 + ... + 31549624188.

It is an arithmetic number, because the mean of its divisors is an integer number (73615789765).

Almost surely, 2^252396993476 is an apocalyptic number.

It is an amenable number.

252396993476 is a deficient number, since it is larger than the sum of its proper divisors (189297745114).

252396993476 is a wasteful number, since it uses less digits than its factorization.

252396993476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63099248373 (or 63099248371 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 65.

The spelling of 252396993476 in words is "two hundred fifty-two billion, three hundred ninety-six million, nine hundred ninety-three thousand, four hundred seventy-six".