13718370513 has 4 divisors (see below), whose sum is σ = 18291160688. Its totient is φ = 9145580340.

The previous prime is 13718370509. The next prime is 13718370563. The reversal of 13718370513 is 31507381731.

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 not a de Polignac number, because 13718370513 - 2² = 13718370509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13718370503) 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, 2286395083 + ... + 2286395088.

It is an arithmetic number, because the mean of its divisors is an integer number (4572790172).

Almost surely, 2^13718370513 is an apocalyptic number.

It is an amenable number.

13718370513 is a deficient number, since it is larger than the sum of its proper divisors (4572790175).

13718370513 is an equidigital number, since it uses as much as digits as its factorization.

13718370513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572790174.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 13718370513 in words is "thirteen billion, seven hundred eighteen million, three hundred seventy thousand, five hundred thirteen".