218418424058 has 4 divisors (see below), whose sum is σ = 327627636090. Its totient is φ = 109209212028.

The previous prime is 218418424043. The next prime is 218418424069. The reversal of 218418424058 is 850424814812.

218418424058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 165199163809 + 53219260249 = 406447^2 + 230693^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54604606013 + ... + 54604606016.

Almost surely, 2^218418424058 is an apocalyptic number.

218418424058 is a deficient number, since it is larger than the sum of its proper divisors (109209212032).

218418424058 is a wasteful number, since it uses less digits than its factorization.

218418424058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109209212031.

The product of its (nonzero) digits is 655360, while the sum is 47.

The spelling of 218418424058 in words is "two hundred eighteen billion, four hundred eighteen million, four hundred twenty-four thousand, fifty-eight".