190495069 has 2 divisors, whose sum is σ = 190495070. Its totient is φ = 190495068.

The previous prime is 190495051. The next prime is 190495073. The reversal of 190495069 is 960594091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189200025 + 1295044 = 13755^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 190495069 - 2⁵ = 190495037 is a prime.

It is a super-2 number, since 2×190495069² = 72576742626629522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190495369) 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, 95247534 + 95247535.

It is an arithmetic number, because the mean of its divisors is an integer number (95247535).

Almost surely, 2^190495069 is an apocalyptic number.

It is an amenable number.

190495069 is a deficient number, since it is larger than the sum of its proper divisors (1).

190495069 is an equidigital number, since it uses as much as digits as its factorization.

190495069 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 190495069 is about 13801.9951094036. The cubic root of 190495069 is about 575.3885907615.

The spelling of 190495069 in words is "one hundred ninety million, four hundred ninety-five thousand, sixty-nine".