495065579985 has 96 divisors (see below), whose sum is σ = 911942748288. Its totient is φ = 247588915200.

The previous prime is 495065579909. The next prime is 495065580001. The reversal of 495065579985 is 589975560594.

495065579985 is a `hidden beast` number, since 49 + 5 + 0 + 6 + 5 + 579 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 495065579985 - 2¹⁵ = 495065547217 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 341188510 + ... + 341189960.

It is an arithmetic number, because the mean of its divisors is an integer number (9499403628).

Almost surely, 2^495065579985 is an apocalyptic number.

495065579985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

495065579985 is a deficient number, since it is larger than the sum of its proper divisors (416877168303).

495065579985 is a wasteful number, since it uses less digits than its factorization.

495065579985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 612360000, while the sum is 72.

The spelling of 495065579985 in words is "four hundred ninety-five billion, sixty-five million, five hundred seventy-nine thousand, nine hundred eighty-five".