14663181317 has 2 divisors, whose sum is σ = 14663181318. Its totient is φ = 14663181316.

The previous prime is 14663181259. The next prime is 14663181341. The reversal of 14663181317 is 71318136641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12124432321 + 2538748996 = 110111^2 + 50386^2 .

It is a cyclic number.

It is not a de Polignac number, because 14663181317 - 2⁸ = 14663181061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14663181817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7331590658 + 7331590659.

It is an arithmetic number, because the mean of its divisors is an integer number (7331590659).

Almost surely, 2^14663181317 is an apocalyptic number.

It is an amenable number.

14663181317 is a deficient number, since it is larger than the sum of its proper divisors (1).

14663181317 is an equidigital number, since it uses as much as digits as its factorization.

14663181317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The spelling of 14663181317 in words is "fourteen billion, six hundred sixty-three million, one hundred eighty-one thousand, three hundred seventeen".