9657895613 has 2 divisors, whose sum is σ = 9657895614. Its totient is φ = 9657895612.

The previous prime is 9657895571. The next prime is 9657895679. The reversal of 9657895613 is 3165987569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9520490329 + 137405284 = 97573^2 + 11722^2 .

It is a cyclic number.

It is not a de Polignac number, because 9657895613 - 2¹² = 9657891517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9657894613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828947806 + 4828947807.

It is an arithmetic number, because the mean of its divisors is an integer number (4828947807).

Almost surely, 2^9657895613 is an apocalyptic number.

It is an amenable number.

9657895613 is a deficient number, since it is larger than the sum of its proper divisors (1).

9657895613 is an equidigital number, since it uses as much as digits as its factorization.

9657895613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 59.

The square root of 9657895613 is about 98274.5929169895. The cubic root of 9657895613 is about 2129.5810275288.

The spelling of 9657895613 in words is "nine billion, six hundred fifty-seven million, eight hundred ninety-five thousand, six hundred thirteen".