495763189 has 2 divisors, whose sum is σ = 495763190. Its totient is φ = 495763188.

The previous prime is 495763141. The next prime is 495763201. The reversal of 495763189 is 981367594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301300164 + 194463025 = 17358^2 + 13945^2 .

It is a cyclic number.

It is not a de Polignac number, because 495763189 - 2¹¹ = 495761141 is a prime.

It is a super-2 number, since 2×495763189² = 491562279134899442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495763589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247881594 + 247881595.

It is an arithmetic number, because the mean of its divisors is an integer number (247881595).

Almost surely, 2^495763189 is an apocalyptic number.

It is an amenable number.

495763189 is a deficient number, since it is larger than the sum of its proper divisors (1).

495763189 is an equidigital number, since it uses as much as digits as its factorization.

495763189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 495763189 is about 22265.7402526842. The cubic root of 495763189 is about 791.4523244262.

The spelling of 495763189 in words is "four hundred ninety-five million, seven hundred sixty-three thousand, one hundred eighty-nine".