218381483 has 2 divisors, whose sum is σ = 218381484. Its totient is φ = 218381482.

The previous prime is 218381467. The next prime is 218381503. The reversal of 218381483 is 384183812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218381483 - 2⁴ = 218381467 is a prime.

It is not a weakly prime, because it can be changed into another prime (218381083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109190741 + 109190742.

It is an arithmetic number, because the mean of its divisors is an integer number (109190742).

Almost surely, 2^218381483 is an apocalyptic number.

218381483 is a deficient number, since it is larger than the sum of its proper divisors (1).

218381483 is an equidigital number, since it uses as much as digits as its factorization.

218381483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 38.

The square root of 218381483 is about 14777.7360580029. The cubic root of 218381483 is about 602.1970221884.

The spelling of 218381483 in words is "two hundred eighteen million, three hundred eighty-one thousand, four hundred eighty-three".