9999099017 has 2 divisors, whose sum is σ = 9999099018. Its totient is φ = 9999099016.

The previous prime is 9999098971. The next prime is 9999099067. The reversal of 9999099017 is 7109909999.

It is a happy number.

9999099017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5988283456 + 4010815561 = 77384^2 + 63331^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999099017 - 2⁶ = 9999098953 is a prime.

It is not a weakly prime, because it can be changed into another prime (9999099067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999549508 + 4999549509.

It is an arithmetic number, because the mean of its divisors is an integer number (4999549509).

Almost surely, 2^9999099017 is an apocalyptic number.

It is an amenable number.

9999099017 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999099017 is an equidigital number, since it uses as much as digits as its factorization.

9999099017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3720087, while the sum is 62.

The square root of 9999099017 is about 99995.4949835241. The cubic root of 9999099017 is about 2154.3699844542.

The spelling of 9999099017 in words is "nine billion, nine hundred ninety-nine million, ninety-nine thousand, seventeen".