1317000355729 has 2 divisors, whose sum is σ = 1317000355730. Its totient is φ = 1317000355728.

The previous prime is 1317000355711. The next prime is 1317000355747. The reversal of 1317000355729 is 9275530007131.

It is a balanced prime because it is at equal distance from previous prime (1317000355711) and next prime (1317000355747).

It can be written as a sum of positive squares in only one way, i.e., 1076530753600 + 240469602129 = 1037560^2 + 490377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317000355729 - 2³³ = 1308410421137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317000355829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658500177864 + 658500177865.

It is an arithmetic number, because the mean of its divisors is an integer number (658500177865).

Almost surely, 2^{1317000355729} is an apocalyptic number.

It is an amenable number.

1317000355729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317000355729 is an equidigital number, since it uses as much as digits as its factorization.

1317000355729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 1317000355729 in words is "one trillion, three hundred seventeen billion, three hundred fifty-five thousand, seven hundred twenty-nine".