13015752773 has 6 divisors (see below), whose sum is σ = 13262179302. Its totient is φ = 12769357640.

The previous prime is 13015752749. The next prime is 13015752781. The reversal of 13015752773 is 37725751031.

It can be written as a sum of positive squares in only one way, i.e., 12033431809 + 982320964 = 109697^2 + 31342^2 .

It is not a de Polignac number, because 13015752773 - 2⁶ = 13015752709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13015752773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015752733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 822728 + ... + 838398.

It is an arithmetic number, because the mean of its divisors is an integer number (2210363217).

Almost surely, 2^13015752773 is an apocalyptic number.

It is an amenable number.

13015752773 is a deficient number, since it is larger than the sum of its proper divisors (246426529).

13015752773 is an frugal number, since it uses more digits than its factorization.

13015752773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31395 (or 15724 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 41.

The spelling of 13015752773 in words is "thirteen billion, fifteen million, seven hundred fifty-two thousand, seven hundred seventy-three".