485986817618 has 32 divisors (see below), whose sum is σ = 741501915840. Its totient is φ = 238843848960.

The previous prime is 485986817593. The next prime is 485986817669. The reversal of 485986817618 is 816718689584.

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 15 ways as a sum of consecutive naturals, for example, 53044958 + ... + 53054118.

It is an arithmetic number, because the mean of its divisors is an integer number (23171934870).

Almost surely, 2^485986817618 is an apocalyptic number.

485986817618 is a deficient number, since it is larger than the sum of its proper divisors (255515098222).

485986817618 is a wasteful number, since it uses less digits than its factorization.

485986817618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442.

The product of its digits is 185794560, while the sum is 71.

The spelling of 485986817618 in words is "four hundred eighty-five billion, nine hundred eighty-six million, eight hundred seventeen thousand, six hundred eighteen".