4989855218 has 8 divisors (see below), whose sum is σ = 7486955820. Its totient is φ = 2494203280.

The previous prime is 4989855197. The next prime is 4989855223. The reversal of 4989855218 is 8125589894.

It can be written as a sum of positive squares in 2 ways, for example, as 4975468369 + 14386849 = 70537^2 + 3793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×4989855218⁴ (a number of 40 digits) contains 4444 as substring.

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 3 ways as a sum of consecutive naturals, for example, 353513 + ... + 367356.

Almost surely, 2^4989855218 is an apocalyptic number.

4989855218 is a deficient number, since it is larger than the sum of its proper divisors (2497100602).

4989855218 is a wasteful number, since it uses less digits than its factorization.

4989855218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724332.

The product of its digits is 8294400, while the sum is 59.

The square root of 4989855218 is about 70638.9072537224. The cubic root of 4989855218 is about 1708.8186747584.

The spelling of 4989855218 in words is "four billion, nine hundred eighty-nine million, eight hundred fifty-five thousand, two hundred eighteen".