189390250229 has 2 divisors, whose sum is σ = 189390250230. Its totient is φ = 189390250228.

The previous prime is 189390250193. The next prime is 189390250253. The reversal of 189390250229 is 922052093981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165201602500 + 24188647729 = 406450^2 + 155527^2 .

It is a cyclic number.

It is not a de Polignac number, because 189390250229 - 2¹⁶ = 189390184693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189390256229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94695125114 + 94695125115.

It is an arithmetic number, because the mean of its divisors is an integer number (94695125115).

Almost surely, 2^189390250229 is an apocalyptic number.

It is an amenable number.

189390250229 is a deficient number, since it is larger than the sum of its proper divisors (1).

189390250229 is an equidigital number, since it uses as much as digits as its factorization.

189390250229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 189390250229 in words is "one hundred eighty-nine billion, three hundred ninety million, two hundred fifty thousand, two hundred twenty-nine".