13216256299 has 4 divisors (see below), whose sum is σ = 13216929736. Its totient is φ = 13215582864.

The previous prime is 13216256281. The next prime is 13216256309. The reversal of 13216256299 is 99265261231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13216256299 - 2⁵ = 13216256267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13216256219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306369 + ... + 346834.

It is an arithmetic number, because the mean of its divisors is an integer number (3304232434).

Almost surely, 2^13216256299 is an apocalyptic number.

13216256299 is a deficient number, since it is larger than the sum of its proper divisors (673437).

13216256299 is an equidigital number, since it uses as much as digits as its factorization.

13216256299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673436.

The product of its digits is 349920, while the sum is 46.

The spelling of 13216256299 in words is "thirteen billion, two hundred sixteen million, two hundred fifty-six thousand, two hundred ninety-nine".