495600809 has 16 divisors (see below), whose sum is σ = 551498496. Its totient is φ = 441579600.

The previous prime is 495600797. The next prime is 495600841. The reversal of 495600809 is 908006594.

It is not a de Polignac number, because 495600809 - 2⁴ = 495600793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (495600409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153914 + ... + 157100.

It is an arithmetic number, because the mean of its divisors is an integer number (34468656).

Almost surely, 2^495600809 is an apocalyptic number.

It is an amenable number.

495600809 is a deficient number, since it is larger than the sum of its proper divisors (55897687).

495600809 is a wasteful number, since it uses less digits than its factorization.

495600809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 495600809 is about 22262.0935448578. The cubic root of 495600809 is about 791.3659054362.

The spelling of 495600809 in words is "four hundred ninety-five million, six hundred thousand, eight hundred nine".