189441337 has 2 divisors, whose sum is σ = 189441338. Its totient is φ = 189441336.

The previous prime is 189441323. The next prime is 189441377. The reversal of 189441337 is 733144981.

189441337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (189441377) can be obtained adding 189441337 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 81198121 = 10404^2 + 9011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189441337 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189441337.

It is not a weakly prime, because it can be changed into another prime (189441377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94720668 + 94720669.

It is an arithmetic number, because the mean of its divisors is an integer number (94720669).

Almost surely, 2^189441337 is an apocalyptic number.

It is an amenable number.

189441337 is a deficient number, since it is larger than the sum of its proper divisors (1).

189441337 is an equidigital number, since it uses as much as digits as its factorization.

189441337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 189441337 is about 13763.7689968991. The cubic root of 189441337 is about 574.3256992878.

The spelling of 189441337 in words is "one hundred eighty-nine million, four hundred forty-one thousand, three hundred thirty-seven".