218791483 has 2 divisors, whose sum is σ = 218791484. Its totient is φ = 218791482.

The previous prime is 218791373. The next prime is 218791487. The reversal of 218791483 is 384197812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218791483 - 2¹⁷ = 218660411 is a prime.

It is not a weakly prime, because it can be changed into another prime (218791487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109395741 + 109395742.

It is an arithmetic number, because the mean of its divisors is an integer number (109395742).

Almost surely, 2^218791483 is an apocalyptic number.

218791483 is a deficient number, since it is larger than the sum of its proper divisors (1).

218791483 is an equidigital number, since it uses as much as digits as its factorization.

218791483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 218791483 is about 14791.6017726276. The cubic root of 218791483 is about 602.5736512294.

The spelling of 218791483 in words is "two hundred eighteen million, seven hundred ninety-one thousand, four hundred eighty-three".