12792821959 has 2 divisors, whose sum is σ = 12792821960. Its totient is φ = 12792821958.

The previous prime is 12792821957. The next prime is 12792821981. The reversal of 12792821959 is 95912829721.

It is a weak prime.

It is an emirp because it is prime and its reverse (95912829721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12792821959 - 2¹ = 12792821957 is a prime.

Together with 12792821957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12792821953) 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 as a sum of consecutive naturals, namely, 6396410979 + 6396410980.

It is an arithmetic number, because the mean of its divisors is an integer number (6396410980).

Almost surely, 2^12792821959 is an apocalyptic number.

12792821959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12792821959 is an equidigital number, since it uses as much as digits as its factorization.

12792821959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 55.

The spelling of 12792821959 in words is "twelve billion, seven hundred ninety-two million, eight hundred twenty-one thousand, nine hundred fifty-nine".