13444514525 has 24 divisors (see below), whose sum is σ = 18061177344. Its totient is φ = 9868766400.

The previous prime is 13444514519. The next prime is 13444514537. The reversal of 13444514525 is 52541544431.

It is not a de Polignac number, because 13444514525 - 2³² = 9149547229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69581 + ... + 178130.

It is an arithmetic number, because the mean of its divisors is an integer number (752549056).

Almost surely, 2^13444514525 is an apocalyptic number.

It is an amenable number.

13444514525 is a deficient number, since it is larger than the sum of its proper divisors (4616662819).

13444514525 is a wasteful number, since it uses less digits than its factorization.

13444514525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247901 (or 247896 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The spelling of 13444514525 in words is "thirteen billion, four hundred forty-four million, five hundred fourteen thousand, five hundred twenty-five".