99009000090599 has 2 divisors, whose sum is σ = 99009000090600. Its totient is φ = 99009000090598.

The previous prime is 99009000090587. The next prime is 99009000090619. The reversal of 99009000090599 is 99509000090099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99009000090599 - 2¹⁶ = 99009000025063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99009000092599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49504500045299 + 49504500045300.

It is an arithmetic number, because the mean of its divisors is an integer number (49504500045300).

Almost surely, 2^{99009000090599} is an apocalyptic number.

99009000090599 is a deficient number, since it is larger than the sum of its proper divisors (1).

99009000090599 is an equidigital number, since it uses as much as digits as its factorization.

99009000090599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2657205, while the sum is 59.

The spelling of 99009000090599 in words is "ninety-nine trillion, nine billion, ninety thousand, five hundred ninety-nine".