12377064449 has 2 divisors, whose sum is σ = 12377064450. Its totient is φ = 12377064448.

The previous prime is 12377064443. The next prime is 12377064467. The reversal of 12377064449 is 94446077321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12054502849 + 322561600 = 109793^2 + 17960^2 .

It is a cyclic number.

It is not a de Polignac number, because 12377064449 - 2¹⁶ = 12376998913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12377064443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6188532224 + 6188532225.

It is an arithmetic number, because the mean of its divisors is an integer number (6188532225).

Almost surely, 2^12377064449 is an apocalyptic number.

It is an amenable number.

12377064449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12377064449 is an equidigital number, since it uses as much as digits as its factorization.

12377064449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 12377064449 in words is "twelve billion, three hundred seventy-seven million, sixty-four thousand, four hundred forty-nine".