2218389263 has 2 divisors, whose sum is σ = 2218389264. Its totient is φ = 2218389262.

The previous prime is 2218389227. The next prime is 2218389281. The reversal of 2218389263 is 3629838122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218389263 - 2²⁶ = 2151280399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218389863) 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 as a sum of consecutive naturals, namely, 1109194631 + 1109194632.

It is an arithmetic number, because the mean of its divisors is an integer number (1109194632).

Almost surely, 2^2218389263 is an apocalyptic number.

2218389263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218389263 is an equidigital number, since it uses as much as digits as its factorization.

2218389263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 2218389263 is about 47099.7798614813. The cubic root of 2218389263 is about 1304.2051722075.

The spelling of 2218389263 in words is "two billion, two hundred eighteen million, three hundred eighty-nine thousand, two hundred sixty-three".