13920264013 has 4 divisors (see below), whose sum is σ = 13921828128. Its totient is φ = 13918699900.

The previous prime is 13920263993. The next prime is 13920264067. The reversal of 13920264013 is 31046202931.

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 13920264013 - 2²¹ = 13918166861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920264613) 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, 768631 + ... + 786532.

It is an arithmetic number, because the mean of its divisors is an integer number (3480457032).

Almost surely, 2^13920264013 is an apocalyptic number.

It is an amenable number.

13920264013 is a deficient number, since it is larger than the sum of its proper divisors (1564115).

13920264013 is an equidigital number, since it uses as much as digits as its factorization.

13920264013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564114.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 13920264013 its reverse (31046202931), we get a palindrome (44966466944).

The spelling of 13920264013 in words is "thirteen billion, nine hundred twenty million, two hundred sixty-four thousand, thirteen".