13570520253 has 4 divisors (see below), whose sum is σ = 18094027008. Its totient is φ = 9047013500.

The previous prime is 13570520221. The next prime is 13570520267. The reversal of 13570520253 is 35202507531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13570520253 - 2⁵ = 13570520221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13570520753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261753373 + ... + 2261753378.

It is an arithmetic number, because the mean of its divisors is an integer number (4523506752).

Almost surely, 2^13570520253 is an apocalyptic number.

It is an amenable number.

13570520253 is a deficient number, since it is larger than the sum of its proper divisors (4523506755).

13570520253 is an equidigital number, since it uses as much as digits as its factorization.

13570520253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523506754.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 13570520253 in words is "thirteen billion, five hundred seventy million, five hundred twenty thousand, two hundred fifty-three".