9699331597 has 2 divisors, whose sum is σ = 9699331598. Its totient is φ = 9699331596.

The previous prime is 9699331559. The next prime is 9699331627. The reversal of 9699331597 is 7951339969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6836974596 + 2862357001 = 82686^2 + 53501^2 .

It is a cyclic number.

It is not a de Polignac number, because 9699331597 - 2⁷ = 9699331469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9699431597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849665798 + 4849665799.

It is an arithmetic number, because the mean of its divisors is an integer number (4849665799).

Almost surely, 2^9699331597 is an apocalyptic number.

It is an amenable number.

9699331597 is a deficient number, since it is larger than the sum of its proper divisors (1).

9699331597 is an equidigital number, since it uses as much as digits as its factorization.

9699331597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12400290, while the sum is 61.

The square root of 9699331597 is about 98485.1846573890. The cubic root of 9699331597 is about 2132.6222486813.

The spelling of 9699331597 in words is "nine billion, six hundred ninety-nine million, three hundred thirty-one thousand, five hundred ninety-seven".