189930084030 has 24 divisors (see below), whose sum is σ = 493818218712. Its totient is φ = 50648022384.

The previous prime is 189930084013. The next prime is 189930084049. The reversal of 189930084030 is 30480039981.

189930084030 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189930084030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055167044 + ... + 1055167223.

It is an arithmetic number, because the mean of its divisors is an integer number (20575759113).

Almost surely, 2^189930084030 is an apocalyptic number.

189930084030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189930084030 is an abundant number, since it is smaller than the sum of its proper divisors (303888134682).

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

189930084030 is a wasteful number, since it uses less digits than its factorization.

189930084030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110334280 (or 2110334277 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 189930084030 in words is "one hundred eighty-nine billion, nine hundred thirty million, eighty-four thousand, thirty".