12594426913 has 2 divisors, whose sum is σ = 12594426914. Its totient is φ = 12594426912.

The previous prime is 12594426899. The next prime is 12594426937. The reversal of 12594426913 is 31962449521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9562492944 + 3031933969 = 97788^2 + 55063^2 .

It is a cyclic number.

It is not a de Polignac number, because 12594426913 - 2¹³ = 12594418721 is a prime.

It is not a weakly prime, because it can be changed into another prime (12594426113) 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, 6297213456 + 6297213457.

It is an arithmetic number, because the mean of its divisors is an integer number (6297213457).

Almost surely, 2^12594426913 is an apocalyptic number.

It is an amenable number.

12594426913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12594426913 is an equidigital number, since it uses as much as digits as its factorization.

12594426913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The spelling of 12594426913 in words is "twelve billion, five hundred ninety-four million, four hundred twenty-six thousand, nine hundred thirteen".