12910919313 has 4 divisors (see below), whose sum is σ = 17214559088. Its totient is φ = 8607279540.

The previous prime is 12910919269. The next prime is 12910919353. The reversal of 12910919313 is 31391901921.

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.

It is not a de Polignac number, because 12910919313 - 2¹⁰ = 12910918289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12910919353) 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, 2151819883 + ... + 2151819888.

It is an arithmetic number, because the mean of its divisors is an integer number (4303639772).

Almost surely, 2^12910919313 is an apocalyptic number.

It is an amenable number.

12910919313 is a deficient number, since it is larger than the sum of its proper divisors (4303639775).

12910919313 is an equidigital number, since it uses as much as digits as its factorization.

12910919313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303639774.

The product of its (nonzero) digits is 13122, while the sum is 39.

The spelling of 12910919313 in words is "twelve billion, nine hundred ten million, nine hundred nineteen thousand, three hundred thirteen".