252013773613 has 12 divisors (see below), whose sum is σ = 294248704860. Its totient is φ = 215208776832.

The previous prime is 252013773607. The next prime is 252013773617. The reversal of 252013773613 is 316377310252.

It can be written as a sum of positive squares in 2 ways, for example, as 131956374564 + 120057399049 = 363258^2 + 346493^2 .

It is not a de Polignac number, because 252013773613 - 2⁵ = 252013773581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252013773617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9546556 + ... + 9572917.

It is an arithmetic number, because the mean of its divisors is an integer number (24520725405).

Almost surely, 2^252013773613 is an apocalyptic number.

It is an amenable number.

252013773613 is a deficient number, since it is larger than the sum of its proper divisors (42234931247).

252013773613 is a wasteful number, since it uses less digits than its factorization.

252013773613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19119756 (or 19119749 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 252013773613 in words is "two hundred fifty-two billion, thirteen million, seven hundred seventy-three thousand, six hundred thirteen".