4559091618 has 16 divisors (see below), whose sum is σ = 9246609216. Its totient is φ = 1498292880.

The previous prime is 4559091599. The next prime is 4559091619. The reversal of 4559091618 is 8161909554.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4559091619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5350621 + ... + 5351472.

It is an arithmetic number, because the mean of its divisors is an integer number (577913076).

Almost surely, 2^4559091618 is an apocalyptic number.

4559091618 is an abundant number, since it is smaller than the sum of its proper divisors (4687517598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4559091618 is a wasteful number, since it uses less digits than its factorization.

4559091618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702169.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 4559091618 is about 67521.0457413094. The cubic root of 4559091618 is about 1658.1587483680.

The spelling of 4559091618 in words is "four billion, five hundred fifty-nine million, ninety-one thousand, six hundred eighteen".