13425722713 has 24 divisors (see below), whose sum is σ = 14710567256. Its totient is φ = 12180326400.

The previous prime is 13425722689. The next prime is 13425722729. The reversal of 13425722713 is 31722752431.

It can be written as a sum of positive squares in 12 ways, for example, as 7436820169 + 5988902544 = 86237^2 + 77388^2 .

It is not a de Polignac number, because 13425722713 - 2²⁵ = 13392168281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13425722743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24816223 + ... + 24816763.

Almost surely, 2^13425722713 is an apocalyptic number.

13425722713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13425722713 is a deficient number, since it is larger than the sum of its proper divisors (1284844543).

13425722713 is an equidigital number, since it uses as much as digits as its factorization.

13425722713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 884 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The spelling of 13425722713 in words is "thirteen billion, four hundred twenty-five million, seven hundred twenty-two thousand, seven hundred thirteen".