4988493218 has 4 divisors (see below), whose sum is σ = 7482739830. Its totient is φ = 2494246608.

The previous prime is 4988493199. The next prime is 4988493227. The reversal of 4988493218 is 8123948894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8123948894 = 2 ⋅4061974447.

It can be written as a sum of positive squares in only one way, i.e., 4684444249 + 304048969 = 68443^2 + 17437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247123303 + ... + 1247123306.

Almost surely, 2^4988493218 is an apocalyptic number.

4988493218 is a deficient number, since it is larger than the sum of its proper divisors (2494246612).

4988493218 is a wasteful number, since it uses less digits than its factorization.

4988493218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494246611.

The product of its digits is 3981312, while the sum is 56.

The square root of 4988493218 is about 70629.2660162910. The cubic root of 4988493218 is about 1708.6631844202.

The spelling of 4988493218 in words is "four billion, nine hundred eighty-eight million, four hundred ninety-three thousand, two hundred eighteen".