12794462309 has 2 divisors, whose sum is σ = 12794462310. Its totient is φ = 12794462308.

The previous prime is 12794462129. The next prime is 12794462339. The reversal of 12794462309 is 90326449721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11847669409 + 946792900 = 108847^2 + 30770^2 .

It is a cyclic number.

It is not a de Polignac number, because 12794462309 - 2²⁴ = 12777685093 is a prime.

It is a super-2 number, since 2×12794462309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12794462339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6397231154 + 6397231155.

It is an arithmetic number, because the mean of its divisors is an integer number (6397231155).

Almost surely, 2^12794462309 is an apocalyptic number.

It is an amenable number.

12794462309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12794462309 is an equidigital number, since it uses as much as digits as its factorization.

12794462309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 12794462309 in words is "twelve billion, seven hundred ninety-four million, four hundred sixty-two thousand, three hundred nine".