12790115969 has 4 divisors (see below), whose sum is σ = 13062246144. Its totient is φ = 12517985796.

The previous prime is 12790115957. The next prime is 12790116029. The reversal of 12790115969 is 96951109721.

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 a cyclic number.

It is not a de Polignac number, because 12790115969 - 2⁸ = 12790115713 is a prime.

It is a super-2 number, since 2×12790115969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12790115929) 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, 136065017 + ... + 136065110.

It is an arithmetic number, because the mean of its divisors is an integer number (3265561536).

Almost surely, 2^12790115969 is an apocalyptic number.

It is an amenable number.

12790115969 is a deficient number, since it is larger than the sum of its proper divisors (272130175).

12790115969 is an equidigital number, since it uses as much as digits as its factorization.

12790115969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272130174.

The product of its (nonzero) digits is 306180, while the sum is 50.

The spelling of 12790115969 in words is "twelve billion, seven hundred ninety million, one hundred fifteen thousand, nine hundred sixty-nine".