1317797963 has 2 divisors, whose sum is σ = 1317797964. Its totient is φ = 1317797962.

The previous prime is 1317797951. The next prime is 1317797969. The reversal of 1317797963 is 3697977131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317797963 - 2²² = 1313603659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317797969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658898981 + 658898982.

It is an arithmetic number, because the mean of its divisors is an integer number (658898982).

Almost surely, 2^1317797963 is an apocalyptic number.

1317797963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317797963 is an equidigital number, since it uses as much as digits as its factorization.

1317797963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500282, while the sum is 53.

The square root of 1317797963 is about 36301.4870632044. The cubic root of 1317797963 is about 1096.3509837557.

The spelling of 1317797963 in words is "one billion, three hundred seventeen million, seven hundred ninety-seven thousand, nine hundred sixty-three".