189054210189 has 16 divisors (see below), whose sum is σ = 271472269824. Its totient is φ = 116336846400.

The previous prime is 189054210151. The next prime is 189054210203. The reversal of 189054210189 is 981012450981.

It is a happy number.

It is not a de Polignac number, because 189054210189 - 2³⁷ = 51615256717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189054210119) 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, 1272004 + ... + 1412834.

It is an arithmetic number, because the mean of its divisors is an integer number (16967016864).

Almost surely, 2^189054210189 is an apocalyptic number.

It is an amenable number.

189054210189 is a deficient number, since it is larger than the sum of its proper divisors (82418059635).

189054210189 is a wasteful number, since it uses less digits than its factorization.

189054210189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175268.

The product of its (nonzero) digits is 207360, while the sum is 48.

The spelling of 189054210189 in words is "one hundred eighty-nine billion, fifty-four million, two hundred ten thousand, one hundred eighty-nine".