12594908189 has 2 divisors, whose sum is σ = 12594908190. Its totient is φ = 12594908188.

The previous prime is 12594908159. The next prime is 12594908243. The reversal of 12594908189 is 98180949521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6297692164 + 6297216025 = 79358^2 + 79355^2 .

It is an emirp because it is prime and its reverse (98180949521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12594908189 - 2²⁰ = 12593859613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12594908159) 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, 6297454094 + 6297454095.

It is an arithmetic number, because the mean of its divisors is an integer number (6297454095).

Almost surely, 2^12594908189 is an apocalyptic number.

It is an amenable number.

12594908189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12594908189 is an equidigital number, since it uses as much as digits as its factorization.

12594908189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 12594908189 in words is "twelve billion, five hundred ninety-four million, nine hundred eight thousand, one hundred eighty-nine".