90249933652 has 24 divisors (see below), whose sum is σ = 170743123040. Its totient is φ = 41594562720.

The previous prime is 90249933647. The next prime is 90249933721. The reversal of 90249933652 is 25633994209.

It is a self number, because there is not a number n which added to its sum of digits gives 90249933652.

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, 16044474 + ... + 16050097.

Almost surely, 2^90249933652 is an apocalyptic number.

It is an amenable number.

90249933652 is a deficient number, since it is larger than the sum of its proper divisors (80493189388).

90249933652 is a wasteful number, since it uses less digits than its factorization.

90249933652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32094631 (or 32094629 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 90249933652 in words is "ninety billion, two hundred forty-nine million, nine hundred thirty-three thousand, six hundred fifty-two".