7317412753681 has 2 divisors, whose sum is σ = 7317412753682. Its totient is φ = 7317412753680.

The previous prime is 7317412753621. The next prime is 7317412753697. The reversal of 7317412753681 is 1863572147137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7127613118081 + 189799635600 = 2669759^2 + 435660^2 .

It is a cyclic number.

It is not a de Polignac number, because 7317412753681 - 2²⁷ = 7317278535953 is a prime.

It is a super-2 number, since 2×7317412753681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7317412753621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658706376840 + 3658706376841.

It is an arithmetic number, because the mean of its divisors is an integer number (3658706376841).

Almost surely, 2^{7317412753681} is an apocalyptic number.

It is an amenable number.

7317412753681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317412753681 is an equidigital number, since it uses as much as digits as its factorization.

7317412753681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 55.

The spelling of 7317412753681 in words is "seven trillion, three hundred seventeen billion, four hundred twelve million, seven hundred fifty-three thousand, six hundred eighty-one".