189288008893 has 8 divisors (see below), whose sum is σ = 198597257216. Its totient is φ = 180178959600.

The previous prime is 189288008891. The next prime is 189288008957. The reversal of 189288008893 is 398800882981.

It is a happy number.

189288008893 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 cyclic number.

It is not a de Polignac number, because 189288008893 - 2¹ = 189288008891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189288008891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50047821 + ... + 50051602.

It is an arithmetic number, because the mean of its divisors is an integer number (24824657152).

Almost surely, 2^189288008893 is an apocalyptic number.

It is an amenable number.

189288008893 is a deficient number, since it is larger than the sum of its proper divisors (9309248323).

189288008893 is a wasteful number, since it uses less digits than its factorization.

189288008893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100099515.

The product of its (nonzero) digits is 15925248, while the sum is 64.

The spelling of 189288008893 in words is "one hundred eighty-nine billion, two hundred eighty-eight million, eight thousand, eight hundred ninety-three".