218936669348 has 12 divisors (see below), whose sum is σ = 383172617520. Its totient is φ = 109458778632.

The previous prime is 218936669333. The next prime is 218936669359. The reversal of 218936669348 is 843966639812.

218936669348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 2337338 + ... + 2429201.

It is an arithmetic number, because the mean of its divisors is an integer number (31931051460).

Almost surely, 2^218936669348 is an apocalyptic number.

It is an amenable number.

218936669348 is a deficient number, since it is larger than the sum of its proper divisors (164235948172).

218936669348 is a wasteful number, since it uses less digits than its factorization.

218936669348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778026 (or 4778024 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 65.

The spelling of 218936669348 in words is "two hundred eighteen billion, nine hundred thirty-six million, six hundred sixty-nine thousand, three hundred forty-eight".