4981605818 has 16 divisors (see below), whose sum is σ = 8543024640. Its totient is φ = 2134191696.

The previous prime is 4981605793. The next prime is 4981605847. The reversal of 4981605818 is 8185061894.

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 7 ways as a sum of consecutive naturals, for example, 24746 + ... + 102837.

It is an arithmetic number, because the mean of its divisors is an integer number (533939040).

Almost surely, 2^4981605818 is an apocalyptic number.

4981605818 is a deficient number, since it is larger than the sum of its proper divisors (3561418822).

4981605818 is a wasteful number, since it uses less digits than its factorization.

4981605818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130381.

The product of its (nonzero) digits is 552960, while the sum is 50.

The square root of 4981605818 is about 70580.4917664931. The cubic root of 4981605818 is about 1707.8764627635.

The spelling of 4981605818 in words is "four billion, nine hundred eighty-one million, six hundred five thousand, eight hundred eighteen".