4218978518 has 8 divisors (see below), whose sum is σ = 6331347048. Its totient is φ = 2108529504.

The previous prime is 4218978487. The next prime is 4218978529. The reversal of 4218978518 is 8158798124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4218978518.

It is a congruent 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, 474371 + ... + 483182.

It is an arithmetic number, because the mean of its divisors is an integer number (791418381).

Almost surely, 2^4218978518 is an apocalyptic number.

4218978518 is a deficient number, since it is larger than the sum of its proper divisors (2112368530).

4218978518 is a wasteful number, since it uses less digits than its factorization.

4218978518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959758.

The product of its digits is 1290240, while the sum is 53.

The square root of 4218978518 is about 64953.6643923959. The cubic root of 4218978518 is about 1615.8551919368.

The spelling of 4218978518 in words is "four billion, two hundred eighteen million, nine hundred seventy-eight thousand, five hundred eighteen".