13440874859 has 4 divisors (see below), whose sum is σ = 13449178440. Its totient is φ = 13432571280.

The previous prime is 13440874831. The next prime is 13440874877. The reversal of 13440874859 is 95847804431.

13440874859 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 not a de Polignac number, because 13440874859 - 2²⁸ = 13172439403 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 13440874859.

It is not an unprimeable number, because it can be changed into a prime (13440874459) 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, 4149362 + ... + 4152599.

It is an arithmetic number, because the mean of its divisors is an integer number (3362294610).

Almost surely, 2^13440874859 is an apocalyptic number.

13440874859 is a deficient number, since it is larger than the sum of its proper divisors (8303581).

13440874859 is an equidigital number, since it uses as much as digits as its factorization.

13440874859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303580.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 13440874859 in words is "thirteen billion, four hundred forty million, eight hundred seventy-four thousand, eight hundred fifty-nine".