2218126013 has 2 divisors, whose sum is σ = 2218126014. Its totient is φ = 2218126012.

The previous prime is 2218125977. The next prime is 2218126021. The reversal of 2218126013 is 3106218122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1667660569 + 550465444 = 40837^2 + 23462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2218126013 - 2⁸ = 2218125757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218126073) 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, 1109063006 + 1109063007.

It is an arithmetic number, because the mean of its divisors is an integer number (1109063007).

Almost surely, 2^2218126013 is an apocalyptic number.

It is an amenable number.

2218126013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218126013 is an equidigital number, since it uses as much as digits as its factorization.

2218126013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2218126013 is about 47096.9851795208. The cubic root of 2218126013 is about 1304.1535813830.

The spelling of 2218126013 in words is "two billion, two hundred eighteen million, one hundred twenty-six thousand, thirteen".