218052738842 has 16 divisors (see below), whose sum is σ = 336507448992. Its totient is φ = 105893911440.

The previous prime is 218052738817. The next prime is 218052738857. The reversal of 218052738842 is 248837250812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538008 + ... + 2622515.

It is an arithmetic number, because the mean of its divisors is an integer number (21031715562).

Almost surely, 2^218052738842 is an apocalyptic number.

218052738842 is a deficient number, since it is larger than the sum of its proper divisors (118454710150).

218052738842 is a wasteful number, since it uses less digits than its factorization.

218052738842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161133.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 218052738842 in words is "two hundred eighteen billion, fifty-two million, seven hundred thirty-eight thousand, eight hundred forty-two".