90935315899 has 2 divisors, whose sum is σ = 90935315900. Its totient is φ = 90935315898.

The previous prime is 90935315869. The next prime is 90935315909. The reversal of 90935315899 is 99851353909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90935315899 - 2¹⁷ = 90935184827 is a prime.

It is not a weakly prime, because it can be changed into another prime (90935315869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45467657949 + 45467657950.

It is an arithmetic number, because the mean of its divisors is an integer number (45467657950).

Almost surely, 2^90935315899 is an apocalyptic number.

90935315899 is a deficient number, since it is larger than the sum of its proper divisors (1).

90935315899 is an equidigital number, since it uses as much as digits as its factorization.

90935315899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11809800, while the sum is 61.

The spelling of 90935315899 in words is "ninety billion, nine hundred thirty-five million, three hundred fifteen thousand, eight hundred ninety-nine".