189659245207 has 2 divisors, whose sum is σ = 189659245208. Its totient is φ = 189659245206.

The previous prime is 189659245189. The next prime is 189659245229. The reversal of 189659245207 is 702542956981.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189659245207 - 2⁷ = 189659245079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189659255207) 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, 94829622603 + 94829622604.

It is an arithmetic number, because the mean of its divisors is an integer number (94829622604).

Almost surely, 2^189659245207 is an apocalyptic number.

189659245207 is a deficient number, since it is larger than the sum of its proper divisors (1).

189659245207 is an equidigital number, since it uses as much as digits as its factorization.

189659245207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 189659245207 in words is "one hundred eighty-nine billion, six hundred fifty-nine million, two hundred forty-five thousand, two hundred seven".