188944097 has 2 divisors, whose sum is σ = 188944098. Its totient is φ = 188944096.

The previous prime is 188944081. The next prime is 188944111. The reversal of 188944097 is 790449881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187991521 + 952576 = 13711^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 188944097 - 2⁴ = 188944081 is a prime.

It is a super-2 number, since 2×188944097² = 71399743582290818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (188944027) 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, 94472048 + 94472049.

It is an arithmetic number, because the mean of its divisors is an integer number (94472049).

Almost surely, 2^188944097 is an apocalyptic number.

It is an amenable number.

188944097 is a deficient number, since it is larger than the sum of its proper divisors (1).

188944097 is an equidigital number, since it uses as much as digits as its factorization.

188944097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 188944097 is about 13745.6937620478. The cubic root of 188944097 is about 573.8227679866.

The spelling of 188944097 in words is "one hundred eighty-eight million, nine hundred forty-four thousand, ninety-seven".