190989683 has 2 divisors, whose sum is σ = 190989684. Its totient is φ = 190989682.

The previous prime is 190989661. The next prime is 190989697. The reversal of 190989683 is 386989091.

190989683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (386989091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190989683 - 2⁶ = 190989619 is a prime.

It is not a weakly prime, because it can be changed into another prime (190989613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95494841 + 95494842.

It is an arithmetic number, because the mean of its divisors is an integer number (95494842).

Almost surely, 2^190989683 is an apocalyptic number.

190989683 is a deficient number, since it is larger than the sum of its proper divisors (1).

190989683 is an equidigital number, since it uses as much as digits as its factorization.

190989683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 190989683 is about 13819.9017000846. The cubic root of 190989683 is about 575.8861527100.

The spelling of 190989683 in words is "one hundred ninety million, nine hundred eighty-nine thousand, six hundred eighty-three".