495854819 has 4 divisors (see below), whose sum is σ = 495918696. Its totient is φ = 495790944.

The previous prime is 495854813. The next prime is 495854833. The reversal of 495854819 is 918458594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495854819 is a prime.

It is a super-2 number, since 2×495854819² = 491744003051045522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495854813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18374 + ... + 36459.

It is an arithmetic number, because the mean of its divisors is an integer number (123979674).

Almost surely, 2^495854819 is an apocalyptic number.

495854819 is a deficient number, since it is larger than the sum of its proper divisors (63877).

495854819 is an equidigital number, since it uses as much as digits as its factorization.

495854819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63876.

The product of its digits is 2073600, while the sum is 53.

The square root of 495854819 is about 22267.7978031057. The cubic root of 495854819 is about 791.5010817836.

The spelling of 495854819 in words is "four hundred ninety-five million, eight hundred fifty-four thousand, eight hundred nineteen".