189607968607 has 2 divisors, whose sum is σ = 189607968608. Its totient is φ = 189607968606.

The previous prime is 189607968601. The next prime is 189607968619. The reversal of 189607968607 is 706869706981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189607968607 - 2³⁵ = 155248230239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189607968601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94803984303 + 94803984304.

It is an arithmetic number, because the mean of its divisors is an integer number (94803984304).

Almost surely, 2^189607968607 is an apocalyptic number.

189607968607 is a deficient number, since it is larger than the sum of its proper divisors (1).

189607968607 is an equidigital number, since it uses as much as digits as its factorization.

189607968607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 189607968607 in words is "one hundred eighty-nine billion, six hundred seven million, nine hundred sixty-eight thousand, six hundred seven".