188769649089 has 16 divisors (see below), whose sum is σ = 296927989760. Its totient is φ = 104388745680.

The previous prime is 188769649063. The next prime is 188769649183. The reversal of 188769649089 is 980946967881.

It is not a de Polignac number, because 188769649089 - 2⁷ = 188769648961 is a prime.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 188769649089.

It is not an unprimeable number, because it can be changed into a prime (188769649489) 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, 144983719 + ... + 144985020.

It is an arithmetic number, because the mean of its divisors is an integer number (18557999360).

Almost surely, 2^188769649089 is an apocalyptic number.

It is an amenable number.

188769649089 is a deficient number, since it is larger than the sum of its proper divisors (108158340671).

188769649089 is a wasteful number, since it uses less digits than its factorization.

188769649089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289968780.

The product of its (nonzero) digits is 376233984, while the sum is 75.

The spelling of 188769649089 in words is "one hundred eighty-eight billion, seven hundred sixty-nine million, six hundred forty-nine thousand, eighty-nine".