188000849 has 2 divisors, whose sum is σ = 188000850. Its totient is φ = 188000848.

The previous prime is 188000821. The next prime is 188000863. The reversal of 188000849 is 948000881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133240849 + 54760000 = 11543^2 + 7400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188000849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (188000249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94000424 + 94000425.

It is an arithmetic number, because the mean of its divisors is an integer number (94000425).

Almost surely, 2^188000849 is an apocalyptic number.

It is an amenable number.

188000849 is a deficient number, since it is larger than the sum of its proper divisors (1).

188000849 is an equidigital number, since it uses as much as digits as its factorization.

188000849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 188000849 is about 13711.3401606116. The cubic root of 188000849 is about 572.8662939422.

The spelling of 188000849 in words is "one hundred eighty-eight million, eight hundred forty-nine", and thus it is an aban number.