13425531344 has 20 divisors (see below), whose sum is σ = 26646406500. Its totient is φ = 6549039360.

The previous prime is 13425531299. The next prime is 13425531373. The reversal of 13425531344 is 44313552431.

It can be written as a sum of positive squares in 2 ways, for example, as 3159788944 + 10265742400 = 56212^2 + 101320^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10232219 + ... + 10233530.

It is an arithmetic number, because the mean of its divisors is an integer number (1332320325).

Almost surely, 2^13425531344 is an apocalyptic number.

It is an amenable number.

13425531344 is a deficient number, since it is larger than the sum of its proper divisors (13220875156).

13425531344 is a wasteful number, since it uses less digits than its factorization.

13425531344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20465798 (or 20465792 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The spelling of 13425531344 in words is "thirteen billion, four hundred twenty-five million, five hundred thirty-one thousand, three hundred forty-four".