12739108559 has 4 divisors (see below), whose sum is σ = 13488467904. Its totient is φ = 11989749216.

The previous prime is 12739108537. The next prime is 12739108637. The reversal of 12739108559 is 95580193721.

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 12739108559 - 2⁸ = 12739108303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739108159) 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, 374679647 + ... + 374679680.

It is an arithmetic number, because the mean of its divisors is an integer number (3372116976).

Almost surely, 2^12739108559 is an apocalyptic number.

12739108559 is a deficient number, since it is larger than the sum of its proper divisors (749359345).

12739108559 is an equidigital number, since it uses as much as digits as its factorization.

12739108559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749359344.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 12739108559 in words is "twelve billion, seven hundred thirty-nine million, one hundred eight thousand, five hundred fifty-nine".