9988242190 has 8 divisors (see below), whose sum is σ = 17978835960. Its totient is φ = 3995296872.

The previous prime is 9988242139. The next prime is 9988242211. The reversal of 9988242190 is 912428899.

9988242190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9988242190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499412100 + ... + 499412119.

It is an arithmetic number, because the mean of its divisors is an integer number (2247354495).

Almost surely, 2^9988242190 is an apocalyptic number.

9988242190 is a deficient number, since it is larger than the sum of its proper divisors (7990593770).

9988242190 is a wasteful number, since it uses less digits than its factorization.

9988242190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998824226.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9988242190 is about 99941.1936590713. The cubic root of 9988242190 is about 2153.5899777550.

The spelling of 9988242190 in words is "nine billion, nine hundred eighty-eight million, two hundred forty-two thousand, one hundred ninety".