1317298663 has 2 divisors, whose sum is σ = 1317298664. Its totient is φ = 1317298662.

The previous prime is 1317298607. The next prime is 1317298667. The reversal of 1317298663 is 3668927131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317298663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317298667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658649331 + 658649332.

It is an arithmetic number, because the mean of its divisors is an integer number (658649332).

Almost surely, 2^1317298663 is an apocalyptic number.

1317298663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317298663 is an equidigital number, since it uses as much as digits as its factorization.

1317298663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 1317298663 is about 36294.6092829224. The cubic root of 1317298663 is about 1096.2125009200.

The spelling of 1317298663 in words is "one billion, three hundred seventeen million, two hundred ninety-eight thousand, six hundred sixty-three".