189084473 has 2 divisors, whose sum is σ = 189084474. Its totient is φ = 189084472.

The previous prime is 189084463. The next prime is 189084487. The reversal of 189084473 is 374480981.

189084473 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., 170877184 + 18207289 = 13072^2 + 4267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189084473 is a prime.

It is not a weakly prime, because it can be changed into another prime (189084433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94542236 + 94542237.

It is an arithmetic number, because the mean of its divisors is an integer number (94542237).

Almost surely, 2^189084473 is an apocalyptic number.

It is an amenable number.

189084473 is a deficient number, since it is larger than the sum of its proper divisors (1).

189084473 is an equidigital number, since it uses as much as digits as its factorization.

189084473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 189084473 is about 13750.7989949675. The cubic root of 189084473 is about 573.9648399997.

The spelling of 189084473 in words is "one hundred eighty-nine million, eighty-four thousand, four hundred seventy-three".