9717361397 has 2 divisors, whose sum is σ = 9717361398. Its totient is φ = 9717361396.

The previous prime is 9717361363. The next prime is 9717361403. The reversal of 9717361397 is 7931637179.

It is a happy number.

9717361397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6079944676 + 3637416721 = 77974^2 + 60311^2 .

It is a cyclic number.

It is not a de Polignac number, because 9717361397 - 2³² = 5422394101 is a prime.

It is a super-2 number, since 2×9717361397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9717361307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4858680698 + 4858680699.

It is an arithmetic number, because the mean of its divisors is an integer number (4858680699).

Almost surely, 2^9717361397 is an apocalyptic number.

It is an amenable number.

9717361397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9717361397 is an equidigital number, since it uses as much as digits as its factorization.

9717361397 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 9717361397 is about 98576.6777539191. The cubic root of 9717361397 is about 2133.9428535024.

The spelling of 9717361397 in words is "nine billion, seven hundred seventeen million, three hundred sixty-one thousand, three hundred ninety-seven".