495847566939 has 16 divisors (see below), whose sum is σ = 669540170880. Its totient is φ = 326376272640.

The previous prime is 495847566931. The next prime is 495847566967. The reversal of 495847566939 is 939665748594.

It is not a de Polignac number, because 495847566939 - 2³ = 495847566931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495847566931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911417 + ... + 2155274.

It is an arithmetic number, because the mean of its divisors is an integer number (41846260680).

Almost surely, 2^495847566939 is an apocalyptic number.

495847566939 is a deficient number, since it is larger than the sum of its proper divisors (173692603941).

495847566939 is a wasteful number, since it uses less digits than its factorization.

495847566939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067210.

The product of its digits is 1763596800, while the sum is 75.

The spelling of 495847566939 in words is "four hundred ninety-five billion, eight hundred forty-seven million, five hundred sixty-six thousand, nine hundred thirty-nine".