90900950499 has 12 divisors (see below), whose sum is σ = 134354893816. Its totient is φ = 59191316352.

The previous prime is 90900950489. The next prime is 90900950521. The reversal of 90900950499 is 99405900909.

It is a happy number.

It is not a de Polignac number, because 90900950499 - 2²⁴ = 90884173283 is a prime.

It is a super-3 number, since 3×90900950499³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90900950489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117442702 + ... + 117443475.

Almost surely, 2^90900950499 is an apocalyptic number.

90900950499 is a deficient number, since it is larger than the sum of its proper divisors (43453943317).

90900950499 is a wasteful number, since it uses less digits than its factorization.

90900950499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234886226 (or 234886223 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 54.

The spelling of 90900950499 in words is "ninety billion, nine hundred million, nine hundred fifty thousand, four hundred ninety-nine".