12796817659 has 2 divisors, whose sum is σ = 12796817660. Its totient is φ = 12796817658.

The previous prime is 12796817653. The next prime is 12796817681. The reversal of 12796817659 is 95671869721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12796817659 - 2³ = 12796817651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12796817597 and 12796817606.

It is not a weakly prime, because it can be changed into another prime (12796817651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6398408829 + 6398408830.

It is an arithmetic number, because the mean of its divisors is an integer number (6398408830).

Almost surely, 2^12796817659 is an apocalyptic number.

12796817659 is a deficient number, since it is larger than the sum of its proper divisors (1).

12796817659 is an equidigital number, since it uses as much as digits as its factorization.

12796817659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 61.

The spelling of 12796817659 in words is "twelve billion, seven hundred ninety-six million, eight hundred seventeen thousand, six hundred fifty-nine".