190490659 has 2 divisors, whose sum is σ = 190490660. Its totient is φ = 190490658.

The previous prime is 190490621. The next prime is 190490683. The reversal of 190490659 is 956094091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190490659 - 2⁹ = 190490147 is a prime.

It is not a weakly prime, because it can be changed into another prime (190490609) 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, 95245329 + 95245330.

It is an arithmetic number, because the mean of its divisors is an integer number (95245330).

Almost surely, 2^190490659 is an apocalyptic number.

190490659 is a deficient number, since it is larger than the sum of its proper divisors (1).

190490659 is an equidigital number, since it uses as much as digits as its factorization.

190490659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 190490659 is about 13801.8353489672. The cubic root of 190490659 is about 575.3841506058.

The spelling of 190490659 in words is "one hundred ninety million, four hundred ninety thousand, six hundred fifty-nine".