9697569631 has 2 divisors, whose sum is σ = 9697569632. Its totient is φ = 9697569630.

The previous prime is 9697569589. The next prime is 9697569647. The reversal of 9697569631 is 1369657969.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9697569631 - 2⁷ = 9697569503 is a prime.

It is a super-2 number, since 2×9697569631² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9697569631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9697569671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848784815 + 4848784816.

It is an arithmetic number, because the mean of its divisors is an integer number (4848784816).

Almost surely, 2^9697569631 is an apocalyptic number.

9697569631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697569631 is an equidigital number, since it uses as much as digits as its factorization.

9697569631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 61.

The square root of 9697569631 is about 98476.2389157913. The cubic root of 9697569631 is about 2132.4931045435.

The spelling of 9697569631 in words is "nine billion, six hundred ninety-seven million, five hundred sixty-nine thousand, six hundred thirty-one".