9902108934 has 12 divisors (see below), whose sum is σ = 21454569396. Its totient is φ = 3300702972.

The previous prime is 9902108903. The next prime is 9902108941. The reversal of 9902108934 is 4398012099.

It is a super-2 number, since 2×9902108934² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9902108934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275058564 + ... + 275058599.

It is an arithmetic number, because the mean of its divisors is an integer number (1787880783).

Almost surely, 2^9902108934 is an apocalyptic number.

9902108934 is an abundant number, since it is smaller than the sum of its proper divisors (11552460462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9902108934 is a wasteful number, since it uses less digits than its factorization.

9902108934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550117171 (or 550117168 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9902108934 is about 99509.3409384265. The cubic root of 9902108934 is about 2147.3816283822.

The spelling of 9902108934 in words is "nine billion, nine hundred two million, one hundred eight thousand, nine hundred thirty-four".