218812814382 has 8 divisors (see below), whose sum is σ = 437625628776. Its totient is φ = 72937604792.

The previous prime is 218812814327. The next prime is 218812814383. The reversal of 218812814382 is 283418218812.

It is a sphenic number, since it is the product of 3 distinct primes.

218812814382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218812814383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18234401193 + ... + 18234401204.

It is an arithmetic number, because the mean of its divisors is an integer number (54703203597).

Almost surely, 2^218812814382 is an apocalyptic number.

218812814382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218812814382 is a wasteful number, since it uses less digits than its factorization.

218812814382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36468802402.

The product of its digits is 393216, while the sum is 48.

The spelling of 218812814382 in words is "two hundred eighteen billion, eight hundred twelve million, eight hundred fourteen thousand, three hundred eighty-two".