12344666549 has 2 divisors, whose sum is σ = 12344666550. Its totient is φ = 12344666548.

The previous prime is 12344666531. The next prime is 12344666597. The reversal of 12344666549 is 94566644321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6376022500 + 5968644049 = 79850^2 + 77257^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344666549 - 2³² = 8049699253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12344666497 and 12344666506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344666449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172333274 + 6172333275.

It is an arithmetic number, because the mean of its divisors is an integer number (6172333275).

Almost surely, 2^12344666549 is an apocalyptic number.

It is an amenable number.

12344666549 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344666549 is an equidigital number, since it uses as much as digits as its factorization.

12344666549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 50.

The spelling of 12344666549 in words is "twelve billion, three hundred forty-four million, six hundred sixty-six thousand, five hundred forty-nine".