9685804631 has 2 divisors, whose sum is σ = 9685804632. Its totient is φ = 9685804630.

The previous prime is 9685804577. The next prime is 9685804651. The reversal of 9685804631 is 1364085869.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9685804631 - 2²⁶ = 9618695767 is a prime.

It is a super-2 number, since 2×9685804631² (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 9685804631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9685804651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4842902315 + 4842902316.

It is an arithmetic number, because the mean of its divisors is an integer number (4842902316).

Almost surely, 2^9685804631 is an apocalyptic number.

9685804631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9685804631 is an equidigital number, since it uses as much as digits as its factorization.

9685804631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 9685804631 is about 98416.4855651735. The cubic root of 9685804631 is about 2131.6303820608.

The spelling of 9685804631 in words is "nine billion, six hundred eighty-five million, eight hundred four thousand, six hundred thirty-one".