90118000499 has 2 divisors, whose sum is σ = 90118000500. Its totient is φ = 90118000498.

The previous prime is 90118000481. The next prime is 90118000529. The reversal of 90118000499 is 99400081109.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90118000499 - 2²⁰ = 90116951923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90118003499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45059000249 + 45059000250.

It is an arithmetic number, because the mean of its divisors is an integer number (45059000250).

Almost surely, 2^90118000499 is an apocalyptic number.

90118000499 is a deficient number, since it is larger than the sum of its proper divisors (1).

90118000499 is an equidigital number, since it uses as much as digits as its factorization.

90118000499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 90118000499 in words is "ninety billion, one hundred eighteen million, four hundred ninety-nine", and thus it is an aban number.