14644428659 has 12 divisors (see below), whose sum is σ = 17037842184. Its totient is φ = 12550535424.

The previous prime is 14644428649. The next prime is 14644428679. The reversal of 14644428659 is 95682444641.

It is a de Polignac number, because none of the positive numbers 2^k-14644428659 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 14644428659.

It is not an unprimeable number, because it can be changed into a prime (14644428649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399584 + ... + 434690.

It is an arithmetic number, because the mean of its divisors is an integer number (1419820182).

Almost surely, 2^14644428659 is an apocalyptic number.

14644428659 is a deficient number, since it is larger than the sum of its proper divisors (2393413525).

14644428659 is an equidigital number, since it uses as much as digits as its factorization.

14644428659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43634 (or 43627 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 53.

The spelling of 14644428659 in words is "fourteen billion, six hundred forty-four million, four hundred twenty-eight thousand, six hundred fifty-nine".