190981333 has 2 divisors, whose sum is σ = 190981334. Its totient is φ = 190981332.

The previous prime is 190981319. The next prime is 190981339. The reversal of 190981333 is 333189091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185995044 + 4986289 = 13638^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 190981333 - 2⁹ = 190980821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190981292 and 190981301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190981339) 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, 95490666 + 95490667.

It is an arithmetic number, because the mean of its divisors is an integer number (95490667).

Almost surely, 2^190981333 is an apocalyptic number.

It is an amenable number.

190981333 is a deficient number, since it is larger than the sum of its proper divisors (1).

190981333 is an equidigital number, since it uses as much as digits as its factorization.

190981333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 190981333 is about 13819.5995962256. The cubic root of 190981333 is about 575.8777600761.

The spelling of 190981333 in words is "one hundred ninety million, nine hundred eighty-one thousand, three hundred thirty-three".