13513703538427 has 4 divisors (see below), whose sum is σ = 13561795010376. Its totient is φ = 13465612066480.

The previous prime is 13513703538389. The next prime is 13513703538493. The reversal of 13513703538427 is 72483530731531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13513703538427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13513703533427) 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, 24045735553 + ... + 24045736114.

It is an arithmetic number, because the mean of its divisors is an integer number (3390448752594).

Almost surely, 2^{13513703538427} is an apocalyptic number.

13513703538427 is a deficient number, since it is larger than the sum of its proper divisors (48091471949).

13513703538427 is an equidigital number, since it uses as much as digits as its factorization.

13513703538427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48091471948.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 13513703538427 in words is "thirteen trillion, five hundred thirteen billion, seven hundred three million, five hundred thirty-eight thousand, four hundred twenty-seven".