90938912535 has 12 divisors (see below), whose sum is σ = 157627448472. Its totient is φ = 48500753328.

The previous prime is 90938912531. The next prime is 90938912591. The reversal of 90938912535 is 53521983909.

90938912535 is a `hidden beast` number, since 9 + 0 + 9 + 389 + 1 + 253 + 5 = 666.

It is not a de Polignac number, because 90938912535 - 2² = 90938912531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90938912531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010432317 + ... + 1010432406.

It is an arithmetic number, because the mean of its divisors is an integer number (13135620706).

Almost surely, 2^90938912535 is an apocalyptic number.

90938912535 is a deficient number, since it is larger than the sum of its proper divisors (66688535937).

90938912535 is a wasteful number, since it uses less digits than its factorization.

90938912535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020864734 (or 2020864731 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 90938912535 in words is "ninety billion, nine hundred thirty-eight million, nine hundred twelve thousand, five hundred thirty-five".