7717366474361 has 2 divisors, whose sum is σ = 7717366474362. Its totient is φ = 7717366474360.

The previous prime is 7717366474327. The next prime is 7717366474369. The reversal of 7717366474361 is 1634746637177.

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., 6416696934400 + 1300669539961 = 2533120^2 + 1140469^2 .

It is a cyclic number.

It is not a de Polignac number, because 7717366474361 - 2²² = 7717362280057 is a prime.

It is a super-2 number, since 2×7717366474361² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7717366474294 and 7717366474303.

It is not a weakly prime, because it can be changed into another prime (7717366474369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3858683237180 + 3858683237181.

It is an arithmetic number, because the mean of its divisors is an integer number (3858683237181).

Almost surely, 2^{7717366474361} is an apocalyptic number.

It is an amenable number.

7717366474361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7717366474361 is an equidigital number, since it uses as much as digits as its factorization.

7717366474361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 62.

The spelling of 7717366474361 in words is "seven trillion, seven hundred seventeen billion, three hundred sixty-six million, four hundred seventy-four thousand, three hundred sixty-one".