It is an unprimeable number.
Almost surely, 2189609984000 is an apocalyptic number.
189609984000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 189609984000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357570280704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189609984000 is an frugal number, since it uses more digits than its factorization.
189609984000 is an odious number, because the sum of its binary digits is odd.
The spelling of 189609984000 in words is "one hundred eighty-nine billion, six hundred nine million, nine hundred eighty-four thousand".