189000041 has 2 divisors, whose sum is σ = 189000042. Its totient is φ = 189000040.

The previous prime is 189000023. The next prime is 189000043. The reversal of 189000041 is 140000981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153239641 + 35760400 = 12379^2 + 5980^2 .

It is an emirp because it is prime and its reverse (140000981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189000041 - 2⁶ = 188999977 is a prime.

Together with 189000043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 188999980 and 189000016.

It is not a weakly prime, because it can be changed into another prime (189000043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94500020 + 94500021.

It is an arithmetic number, because the mean of its divisors is an integer number (94500021).

Almost surely, 2^189000041 is an apocalyptic number.

It is an amenable number.

189000041 is a deficient number, since it is larger than the sum of its proper divisors (1).

189000041 is an equidigital number, since it uses as much as digits as its factorization.

189000041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 189000041 is about 13747.7285760230. The cubic root of 189000041 is about 573.8793963292.

The spelling of 189000041 in words is "one hundred eighty-nine million, forty-one", and thus it is an aban number.