9317216578697 has 2 divisors, whose sum is σ = 9317216578698. Its totient is φ = 9317216578696.

The previous prime is 9317216578673. The next prime is 9317216578699. The reversal of 9317216578697 is 7968756127139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8029311628816 + 1287904949881 = 2833604^2 + 1134859^2 .

It is a cyclic number.

It is not a de Polignac number, because 9317216578697 - 2⁴² = 4919170067593 is a prime.

Together with 9317216578699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9317216578697.

It is not a weakly prime, because it can be changed into another prime (9317216578699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4658608289348 + 4658608289349.

It is an arithmetic number, because the mean of its divisors is an integer number (4658608289349).

Almost surely, 2^{9317216578697} is an apocalyptic number.

It is an amenable number.

9317216578697 is a deficient number, since it is larger than the sum of its proper divisors (1).

9317216578697 is an equidigital number, since it uses as much as digits as its factorization.

9317216578697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240045120, while the sum is 71.

The spelling of 9317216578697 in words is "nine trillion, three hundred seventeen billion, two hundred sixteen million, five hundred seventy-eight thousand, six hundred ninety-seven".