12441491317 has 2 divisors, whose sum is σ = 12441491318. Its totient is φ = 12441491316.

The previous prime is 12441491273. The next prime is 12441491323. The reversal of 12441491317 is 71319414421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8027084836 + 4414406481 = 89594^2 + 66441^2 .

It is an emirp because it is prime and its reverse (71319414421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12441491317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12441491357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220745658 + 6220745659.

It is an arithmetic number, because the mean of its divisors is an integer number (6220745659).

Almost surely, 2^12441491317 is an apocalyptic number.

It is an amenable number.

12441491317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441491317 is an equidigital number, since it uses as much as digits as its factorization.

12441491317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The spelling of 12441491317 in words is "twelve billion, four hundred forty-one million, four hundred ninety-one thousand, three hundred seventeen".