90509038268 has 24 divisors (see below), whose sum is σ = 173608909824. Its totient is φ = 40945489200.

The previous prime is 90509038223. The next prime is 90509038313. The reversal of 90509038268 is 86283090509.

It is an interprime number because it is at equal distance from previous prime (90509038223) and next prime (90509038313).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4865180 + ... + 4883747.

It is an arithmetic number, because the mean of its divisors is an integer number (7233704576).

Almost surely, 2^90509038268 is an apocalyptic number.

It is an amenable number.

90509038268 is a deficient number, since it is larger than the sum of its proper divisors (83099871556).

90509038268 is a wasteful number, since it uses less digits than its factorization.

90509038268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749153 (or 9749151 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 90509038268 in words is "ninety billion, five hundred nine million, thirty-eight thousand, two hundred sixty-eight".