12792963809 has 2 divisors, whose sum is σ = 12792963810. Its totient is φ = 12792963808.

The previous prime is 12792963803. The next prime is 12792963817. The reversal of 12792963809 is 90836929721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12792741025 + 222784 = 113105^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 12792963809 - 2¹⁶ = 12792898273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12792963803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396481904 + 6396481905.

It is an arithmetic number, because the mean of its divisors is an integer number (6396481905).

Almost surely, 2^12792963809 is an apocalyptic number.

It is an amenable number.

12792963809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12792963809 is an equidigital number, since it uses as much as digits as its factorization.

12792963809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 12792963809 in words is "twelve billion, seven hundred ninety-two million, nine hundred sixty-three thousand, eight hundred nine".