189543219200 has 120 divisors (see below), whose sum is σ = 470099241150. Its totient is φ = 75812044800.

The previous prime is 189543219199. The next prime is 189543219223. The reversal of 189543219200 is 2912345981.

It can be written as a sum of positive squares in 3 ways, for example, as 89099862016 + 100443357184 = 298496^2 + 316928^2 .

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, 13099970 + ... + 13114430.

Almost surely, 2^189543219200 is an apocalyptic number.

189543219200 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 189543219200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235049620575).

189543219200 is an abundant number, since it is smaller than the sum of its proper divisors (280556021950).

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

189543219200 is an frugal number, since it uses more digits than its factorization.

189543219200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14509 (or 14468 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 189543219200 in words is "one hundred eighty-nine billion, five hundred forty-three million, two hundred nineteen thousand, two hundred".