13892865424 has 45 divisors (see below), whose sum is σ = 27335752353. Its totient is φ = 6840115776.

The previous prime is 13892865391. The next prime is 13892865433. The reversal of 13892865424 is 42456829831.

It is a happy number.

The square root of 13892865424 is 117868.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7551610000 + 6341255424 = 86900^2 + 79632^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37246102 + ... + 37246474.

Almost surely, 2^13892865424 is an apocalyptic number.

13892865424 is the 117868-th square number.

It is an amenable number.

13892865424 is a deficient number, since it is larger than the sum of its proper divisors (13442886929).

13892865424 is an frugal number, since it uses more digits than its factorization.

13892865424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 454 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 13892865424 in words is "thirteen billion, eight hundred ninety-two million, eight hundred sixty-five thousand, four hundred twenty-four".