218812814383 has 2 divisors, whose sum is σ = 218812814384. Its totient is φ = 218812814382.

The previous prime is 218812814327. The next prime is 218812814401. The reversal of 218812814383 is 383418218812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218812814383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218812814183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109406407191 + 109406407192.

It is an arithmetic number, because the mean of its divisors is an integer number (109406407192).

Almost surely, 2^218812814383 is an apocalyptic number.

218812814383 is a deficient number, since it is larger than the sum of its proper divisors (1).

218812814383 is an equidigital number, since it uses as much as digits as its factorization.

218812814383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 49.

The spelling of 218812814383 in words is "two hundred eighteen billion, eight hundred twelve million, eight hundred fourteen thousand, three hundred eighty-three".