13361664959 has 4 divisors (see below), whose sum is σ = 13363238280. Its totient is φ = 13360091640.

The previous prime is 13361664941. The next prime is 13361664961. The reversal of 13361664959 is 95946616331.

It is a happy number.

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 13361664959 - 2⁸ = 13361664703 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 13361664959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361664989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773852 + ... + 790929.

It is an arithmetic number, because the mean of its divisors is an integer number (3340809570).

Almost surely, 2^13361664959 is an apocalyptic number.

13361664959 is a deficient number, since it is larger than the sum of its proper divisors (1573321).

13361664959 is an equidigital number, since it uses as much as digits as its factorization.

13361664959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573320.

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

The spelling of 13361664959 in words is "thirteen billion, three hundred sixty-one million, six hundred sixty-four thousand, nine hundred fifty-nine".