218364713 has 16 divisors (see below), whose sum is σ = 264582144. Its totient is φ = 176230080.

The previous prime is 218364697. The next prime is 218364719. The reversal of 218364713 is 317463812.

It is a cyclic number.

It is not a de Polignac number, because 218364713 - 2⁴ = 218364697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (218364719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5570 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (16536384).

Almost surely, 2^218364713 is an apocalyptic number.

It is an amenable number.

218364713 is a deficient number, since it is larger than the sum of its proper divisors (46217431).

218364713 is a wasteful number, since it uses less digits than its factorization.

218364713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27272.

The product of its digits is 24192, while the sum is 35.

The square root of 218364713 is about 14777.1686394925. The cubic root of 218364713 is about 602.1816071107.

Subtracting 218364713 from its reverse (317463812), we obtain a palindrome (99099099).

The spelling of 218364713 in words is "two hundred eighteen million, three hundred sixty-four thousand, seven hundred thirteen".