218854713 has 16 divisors (see below), whose sum is σ = 363810816. Its totient is φ = 113690640.

The previous prime is 218854693. The next prime is 218854739. The reversal of 218854713 is 317458812.

It is not a de Polignac number, because 218854713 - 2⁹ = 218854201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218850713) 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, 473481 + ... + 473942.

It is an arithmetic number, because the mean of its divisors is an integer number (22738176).

Almost surely, 2^218854713 is an apocalyptic number.

It is an amenable number.

218854713 is a deficient number, since it is larger than the sum of its proper divisors (144956103).

218854713 is a wasteful number, since it uses less digits than its factorization.

218854713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947444.

The product of its digits is 53760, while the sum is 39.

The square root of 218854713 is about 14793.7389797171. The cubic root of 218854713 is about 602.6316928889.

The spelling of 218854713 in words is "two hundred eighteen million, eight hundred fifty-four thousand, seven hundred thirteen".