12910136793 has 4 divisors (see below), whose sum is σ = 17213515728. Its totient is φ = 8606757860.

The previous prime is 12910136773. The next prime is 12910136801. The reversal of 12910136793 is 39763101921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39763101921 = 3 ⋅13254367307.

It is a cyclic number.

It is not a de Polignac number, because 12910136793 - 2⁵ = 12910136761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12910136773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151689463 + ... + 2151689468.

It is an arithmetic number, because the mean of its divisors is an integer number (4303378932).

Almost surely, 2^12910136793 is an apocalyptic number.

It is an amenable number.

12910136793 is a deficient number, since it is larger than the sum of its proper divisors (4303378935).

12910136793 is an equidigital number, since it uses as much as digits as its factorization.

12910136793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303378934.

The product of its (nonzero) digits is 61236, while the sum is 42.

The spelling of 12910136793 in words is "twelve billion, nine hundred ten million, one hundred thirty-six thousand, seven hundred ninety-three".