189400228803 has 16 divisors (see below), whose sum is σ = 281029338240. Its totient is φ = 126070436232.

The previous prime is 189400228783. The next prime is 189400228837. The reversal of 189400228803 is 308822004981.

189400228803 is a `hidden beast` number, since 18 + 9 + 400 + 228 + 8 + 0 + 3 = 666.

It is not a de Polignac number, because 189400228803 - 2⁶ = 189400228739 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (189400228883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5437401 + ... + 5472122.

It is an arithmetic number, because the mean of its divisors is an integer number (17564333640).

Almost surely, 2^189400228803 is an apocalyptic number.

189400228803 is a deficient number, since it is larger than the sum of its proper divisors (91629109437).

189400228803 is a wasteful number, since it uses less digits than its factorization.

189400228803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910175 (or 10910169 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 189400228803 in words is "one hundred eighty-nine billion, four hundred million, two hundred twenty-eight thousand, eight hundred three".