13223964959 has 4 divisors (see below), whose sum is σ = 13233418800. Its totient is φ = 13214511120.

The previous prime is 13223964877. The next prime is 13223964989. The reversal of 13223964959 is 95946932231.

13223964959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223964959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13223964959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223964989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4724822 + ... + 4727619.

It is an arithmetic number, because the mean of its divisors is an integer number (3308354700).

Almost surely, 2^13223964959 is an apocalyptic number.

13223964959 is a deficient number, since it is larger than the sum of its proper divisors (9453841).

13223964959 is an equidigital number, since it uses as much as digits as its factorization.

13223964959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9453840.

The product of its digits is 3149280, while the sum is 53.

The spelling of 13223964959 in words is "thirteen billion, two hundred twenty-three million, nine hundred sixty-four thousand, nine hundred fifty-nine".