12326624449 has 2 divisors, whose sum is σ = 12326624450. Its totient is φ = 12326624448.

The previous prime is 12326624441. The next prime is 12326624461. The reversal of 12326624449 is 94442662321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8680276224 + 3646348225 = 93168^2 + 60385^2 .

It is a cyclic number.

It is not a de Polignac number, because 12326624449 - 2³ = 12326624441 is a prime.

It is not a weakly prime, because it can be changed into another prime (12326624441) 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, 6163312224 + 6163312225.

It is an arithmetic number, because the mean of its divisors is an integer number (6163312225).

Almost surely, 2^12326624449 is an apocalyptic number.

It is an amenable number.

12326624449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326624449 is an equidigital number, since it uses as much as digits as its factorization.

12326624449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 43.

The spelling of 12326624449 in words is "twelve billion, three hundred twenty-six million, six hundred twenty-four thousand, four hundred forty-nine".