13085174573 has 2 divisors, whose sum is σ = 13085174574. Its totient is φ = 13085174572.

The previous prime is 13085174569. The next prime is 13085174621. The reversal of 13085174573 is 37547158031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10244071369 + 2841103204 = 101213^2 + 53302^2 .

It is a cyclic number.

It is not a de Polignac number, because 13085174573 - 2² = 13085174569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13085174273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6542587286 + 6542587287.

It is an arithmetic number, because the mean of its divisors is an integer number (6542587287).

Almost surely, 2^13085174573 is an apocalyptic number.

It is an amenable number.

13085174573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13085174573 is an equidigital number, since it uses as much as digits as its factorization.

13085174573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 13085174573 in words is "thirteen billion, eighty-five million, one hundred seventy-four thousand, five hundred seventy-three".