9009900099017 has 2 divisors, whose sum is σ = 9009900099018. Its totient is φ = 9009900099016.

The previous prime is 9009900099001. The next prime is 9009900099037. The reversal of 9009900099017 is 7109900099009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7383550818361 + 1626349280656 = 2717269^2 + 1275284^2 .

It is a cyclic number.

It is not a de Polignac number, because 9009900099017 - 2⁴ = 9009900099001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9009900099017.

It is not a weakly prime, because it can be changed into another prime (9009900099037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504950049508 + 4504950049509.

It is an arithmetic number, because the mean of its divisors is an integer number (4504950049509).

Almost surely, 2^{9009900099017} is an apocalyptic number.

It is an amenable number.

9009900099017 is a deficient number, since it is larger than the sum of its proper divisors (1).

9009900099017 is an equidigital number, since it uses as much as digits as its factorization.

9009900099017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 53.

The spelling of 9009900099017 in words is "nine trillion, nine billion, nine hundred million, ninety-nine thousand, seventeen".