9621490163 has 2 divisors, whose sum is σ = 9621490164. Its totient is φ = 9621490162.

The previous prime is 9621490139. The next prime is 9621490211. The reversal of 9621490163 is 3610941269.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9621490163 - 2⁸ = 9621489907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9621490163.

It is not a weakly prime, because it can be changed into another prime (9621490363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4810745081 + 4810745082.

It is an arithmetic number, because the mean of its divisors is an integer number (4810745082).

Almost surely, 2^9621490163 is an apocalyptic number.

9621490163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9621490163 is an equidigital number, since it uses as much as digits as its factorization.

9621490163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9621490163 is about 98089.1949350182. The cubic root of 9621490163 is about 2126.9018388229.

The spelling of 9621490163 in words is "nine billion, six hundred twenty-one million, four hundred ninety thousand, one hundred sixty-three".