889268189 has 2 divisors, whose sum is σ = 889268190. Its totient is φ = 889268188.

The previous prime is 889268183. The next prime is 889268203. The reversal of 889268189 is 981862988.

889268189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697224025 + 192044164 = 26405^2 + 13858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889268189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889268183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444634094 + 444634095.

It is an arithmetic number, because the mean of its divisors is an integer number (444634095).

Almost surely, 2^889268189 is an apocalyptic number.

It is an amenable number.

889268189 is a deficient number, since it is larger than the sum of its proper divisors (1).

889268189 is an equidigital number, since it uses as much as digits as its factorization.

889268189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 59.

The square root of 889268189 is about 29820.6000777986. The cubic root of 889268189 is about 961.6364554459.

The spelling of 889268189 in words is "eight hundred eighty-nine million, two hundred sixty-eight thousand, one hundred eighty-nine".