13216375249 has 16 divisors (see below), whose sum is σ = 16623388800. Its totient is φ = 10207330560.

The previous prime is 13216375223. The next prime is 13216375261. The reversal of 13216375249 is 94257361231.

It is not a de Polignac number, because 13216375249 - 2⁵ = 13216375217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13216375219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750774 + ... + 768175.

It is an arithmetic number, because the mean of its divisors is an integer number (1038961800).

Almost surely, 2^13216375249 is an apocalyptic number.

It is an amenable number.

13216375249 is a deficient number, since it is larger than the sum of its proper divisors (3407013551).

13216375249 is a wasteful number, since it uses less digits than its factorization.

13216375249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519080.

The product of its digits is 272160, while the sum is 43.

The spelling of 13216375249 in words is "thirteen billion, two hundred sixteen million, three hundred seventy-five thousand, two hundred forty-nine".