9900858933 has 16 divisors (see below), whose sum is σ = 16763359360. Its totient is φ = 5657633568.

The previous prime is 9900858901. The next prime is 9900858953. The reversal of 9900858933 is 3398580099.

It is not a de Polignac number, because 9900858933 - 2⁵ = 9900858901 is a prime.

It is a super-2 number, since 2×9900858933² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9900858933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900858953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26192560 + ... + 26192937.

It is an arithmetic number, because the mean of its divisors is an integer number (1047709960).

Almost surely, 2^9900858933 is an apocalyptic number.

It is an amenable number.

9900858933 is a deficient number, since it is larger than the sum of its proper divisors (6862500427).

9900858933 is a wasteful number, since it uses less digits than its factorization.

9900858933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52385513 (or 52385507 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 9900858933 is about 99503.0599177734. The cubic root of 9900858933 is about 2147.2912657414.

The spelling of 9900858933 in words is "nine billion, nine hundred million, eight hundred fifty-eight thousand, nine hundred thirty-three".