189110468089 has 16 divisors (see below), whose sum is σ = 203607979200. Its totient is φ = 175102502976.

The previous prime is 189110468021. The next prime is 189110468101. The reversal of 189110468089 is 980864011981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 189110468089 - 2⁹ = 189110467577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189110469089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293634 + ... + 681499.

It is an arithmetic number, because the mean of its divisors is an integer number (12725498700).

Almost surely, 2^189110468089 is an apocalyptic number.

189110468089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

189110468089 is a deficient number, since it is larger than the sum of its proper divisors (14497511111).

189110468089 is a wasteful number, since it uses less digits than its factorization.

189110468089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975384.

The product of its (nonzero) digits is 995328, while the sum is 55.

The spelling of 189110468089 in words is "one hundred eighty-nine billion, one hundred ten million, four hundred sixty-eight thousand, eighty-nine".