189282441894 has 64 divisors (see below), whose sum is σ = 466519097856. Its totient is φ = 49857099264.

The previous prime is 189282441871. The next prime is 189282441919. The reversal of 189282441894 is 498144282981.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 209454 + ... + 649950.

It is an arithmetic number, because the mean of its divisors is an integer number (7289360904).

Almost surely, 2^189282441894 is an apocalyptic number.

189282441894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189282441894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233259548928).

189282441894 is an abundant number, since it is smaller than the sum of its proper divisors (277236655962).

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

189282441894 is a wasteful number, since it uses less digits than its factorization.

189282441894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441309.

The product of its digits is 10616832, while the sum is 60.

The spelling of 189282441894 in words is "one hundred eighty-nine billion, two hundred eighty-two million, four hundred forty-one thousand, eight hundred ninety-four".