12708264449 has 2 divisors, whose sum is σ = 12708264450. Its totient is φ = 12708264448.

The previous prime is 12708264433. The next prime is 12708264487. The reversal of 12708264449 is 94446280721.

12708264449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8659233025 + 4049031424 = 93055^2 + 63632^2 .

It is a cyclic number.

It is not a de Polignac number, because 12708264449 - 2⁴ = 12708264433 is a prime.

It is a super-2 number, since 2×12708264449² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12708264409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354132224 + 6354132225.

It is an arithmetic number, because the mean of its divisors is an integer number (6354132225).

Almost surely, 2^12708264449 is an apocalyptic number.

It is an amenable number.

12708264449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708264449 is an equidigital number, since it uses as much as digits as its factorization.

12708264449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 12708264449 in words is "twelve billion, seven hundred eight million, two hundred sixty-four thousand, four hundred forty-nine".