4821808518 has 12 divisors (see below), whose sum is σ = 10447251828. Its totient is φ = 1607269500.

The previous prime is 4821808493. The next prime is 4821808547. The reversal of 4821808518 is 8158081284.

4821808518 is a `hidden beast` number, since 482 + 1 + 80 + 85 + 18 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 133939108 + ... + 133939143.

It is an arithmetic number, because the mean of its divisors is an integer number (870604319).

Almost surely, 2^4821808518 is an apocalyptic number.

4821808518 is an abundant number, since it is smaller than the sum of its proper divisors (5625443310).

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

4821808518 is a wasteful number, since it uses less digits than its factorization.

4821808518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267878259 (or 267878256 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The square root of 4821808518 is about 69439.2433570528. The cubic root of 4821808518 is about 1689.4161957686.

The spelling of 4821808518 in words is "four billion, eight hundred twenty-one million, eight hundred eight thousand, five hundred eighteen".