495956687 has 2 divisors, whose sum is σ = 495956688. Its totient is φ = 495956686.

The previous prime is 495956647. The next prime is 495956689. The reversal of 495956687 is 786659594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495956687 - 2¹⁸ = 495694543 is a prime.

Together with 495956689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495956689) 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, 247978343 + 247978344.

It is an arithmetic number, because the mean of its divisors is an integer number (247978344).

Almost surely, 2^495956687 is an apocalyptic number.

495956687 is a deficient number, since it is larger than the sum of its proper divisors (1).

495956687 is an equidigital number, since it uses as much as digits as its factorization.

495956687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 59.

The square root of 495956687 is about 22270.0850245346. The cubic root of 495956687 is about 791.5552798461. Note that the first 3 decimals are identical.

The spelling of 495956687 in words is "four hundred ninety-five million, nine hundred fifty-six thousand, six hundred eighty-seven".