12739904653 has 8 divisors (see below), whose sum is σ = 15061956480. Its totient is φ = 10543369200.

The previous prime is 12739904581. The next prime is 12739904663. The reversal of 12739904653 is 35640993721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12739904653 - 2²¹ = 12737807501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12739904597 and 12739904606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739904663) 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 7 ways as a sum of consecutive naturals, for example, 31378873 + ... + 31379278.

It is an arithmetic number, because the mean of its divisors is an integer number (1882744560).

Almost surely, 2^12739904653 is an apocalyptic number.

It is an amenable number.

12739904653 is a deficient number, since it is larger than the sum of its proper divisors (2322051827).

12739904653 is an equidigital number, since it uses as much as digits as its factorization.

12739904653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62758187.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 12739904653 in words is "twelve billion, seven hundred thirty-nine million, nine hundred four thousand, six hundred fifty-three".