12344666447 has 2 divisors, whose sum is σ = 12344666448. Its totient is φ = 12344666446.

The previous prime is 12344666423. The next prime is 12344666449. The reversal of 12344666447 is 74466644321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12344666447 - 2²⁶ = 12277557583 is a prime.

Together with 12344666449, it forms a pair of twin primes.

It is a Chen prime.

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, 6172333223 + 6172333224.

It is an arithmetic number, because the mean of its divisors is an integer number (6172333224).

Almost surely, 2^12344666447 is an apocalyptic number.

12344666447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344666447 is an equidigital number, since it uses as much as digits as its factorization.

12344666447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 47.

The spelling of 12344666447 in words is "twelve billion, three hundred forty-four million, six hundred sixty-six thousand, four hundred forty-seven".