12663363149 has 2 divisors, whose sum is σ = 12663363150. Its totient is φ = 12663363148.

The previous prime is 12663363127. The next prime is 12663363199. The reversal of 12663363149 is 94136336621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8807822500 + 3855540649 = 93850^2 + 62093^2 .

It is a cyclic number.

It is not a de Polignac number, because 12663363149 - 2²⁸ = 12394927693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663363199) 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, 6331681574 + 6331681575.

It is an arithmetic number, because the mean of its divisors is an integer number (6331681575).

Almost surely, 2^12663363149 is an apocalyptic number.

It is an amenable number.

12663363149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663363149 is an equidigital number, since it uses as much as digits as its factorization.

12663363149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 44.

The spelling of 12663363149 in words is "twelve billion, six hundred sixty-three million, three hundred sixty-three thousand, one hundred forty-nine".