9165210973 has 2 divisors, whose sum is σ = 9165210974. Its totient is φ = 9165210972.

The previous prime is 9165210949. The next prime is 9165211019. The reversal of 9165210973 is 3790125619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8152825849 + 1012385124 = 90293^2 + 31818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9165210973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9165214973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4582605486 + 4582605487.

It is an arithmetic number, because the mean of its divisors is an integer number (4582605487).

Almost surely, 2^9165210973 is an apocalyptic number.

It is an amenable number.

9165210973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9165210973 is an equidigital number, since it uses as much as digits as its factorization.

9165210973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 9165210973 is about 95735.1083615619. The cubic root of 9165210973 is about 2092.7346035375.

The spelling of 9165210973 in words is "nine billion, one hundred sixty-five million, two hundred ten thousand, nine hundred seventy-three".