12344666449 has 2 divisors, whose sum is σ = 12344666450. Its totient is φ = 12344666448.

The previous prime is 12344666447. The next prime is 12344666531. The reversal of 12344666449 is 94466644321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7548134400 + 4796532049 = 86880^2 + 69257^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344666449 - 2¹ = 12344666447 is a prime.

Together with 12344666447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12344666447) 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, 6172333224 + 6172333225.

It is an arithmetic number, because the mean of its divisors is an integer number (6172333225).

Almost surely, 2^12344666449 is an apocalyptic number.

It is an amenable number.

12344666449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344666449 is an equidigital number, since it uses as much as digits as its factorization.

12344666449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 49.

The spelling of 12344666449 in words is "twelve billion, three hundred forty-four million, six hundred sixty-six thousand, four hundred forty-nine".