9990416173 has 2 divisors, whose sum is σ = 9990416174. Its totient is φ = 9990416172.

The previous prime is 9990416153. The next prime is 9990416179. The reversal of 9990416173 is 3716140999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9987603844 + 2812329 = 99938^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 9990416173 - 2²⁵ = 9956861741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9990416179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995208086 + 4995208087.

It is an arithmetic number, because the mean of its divisors is an integer number (4995208087).

Almost surely, 2^9990416173 is an apocalyptic number.

It is an amenable number.

9990416173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990416173 is an equidigital number, since it uses as much as digits as its factorization.

9990416173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 9990416173 is about 99952.0693782775. The cubic root of 9990416173 is about 2153.7462123983.

The spelling of 9990416173 in words is "nine billion, nine hundred ninety million, four hundred sixteen thousand, one hundred seventy-three".