495475663 has 2 divisors, whose sum is σ = 495475664. Its totient is φ = 495475662.

The previous prime is 495475661. The next prime is 495475691. The reversal of 495475663 is 366574594.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495475663 - 2¹ = 495475661 is a prime.

It is a super-2 number, since 2×495475663² = 490992265250579138, which contains 22 as substring.

Together with 495475661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495475661) 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, 247737831 + 247737832.

It is an arithmetic number, because the mean of its divisors is an integer number (247737832).

Almost surely, 2^495475663 is an apocalyptic number.

495475663 is a deficient number, since it is larger than the sum of its proper divisors (1).

495475663 is an equidigital number, since it uses as much as digits as its factorization.

495475663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 49.

The square root of 495475663 is about 22259.2826254576. The cubic root of 495475663 is about 791.2992895813.

The spelling of 495475663 in words is "four hundred ninety-five million, four hundred seventy-five thousand, six hundred sixty-three".