495243919 has 2 divisors, whose sum is σ = 495243920. Its totient is φ = 495243918.

The previous prime is 495243907. The next prime is 495243923. The reversal of 495243919 is 919342594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495243919 - 2⁵ = 495243887 is a prime.

It is a super-2 number, since 2×495243919² = 490533078612957122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495243979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247621959 + 247621960.

It is an arithmetic number, because the mean of its divisors is an integer number (247621960).

Almost surely, 2^495243919 is an apocalyptic number.

495243919 is a deficient number, since it is larger than the sum of its proper divisors (1).

495243919 is an equidigital number, since it uses as much as digits as its factorization.

495243919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 495243919 is about 22254.0764580335. The cubic root of 495243919 is about 791.1759014422.

The spelling of 495243919 in words is "four hundred ninety-five million, two hundred forty-three thousand, nine hundred nineteen".