2188708013 has 2 divisors, whose sum is σ = 2188708014. Its totient is φ = 2188708012.

The previous prime is 2188707931. The next prime is 2188708031. The reversal of 2188708013 is 3108078812.

Together with next prime (2188708031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1601760484 + 586947529 = 40022^2 + 24227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2188708013 - 2⁸ = 2188707757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2188708063) 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, 1094354006 + 1094354007.

It is an arithmetic number, because the mean of its divisors is an integer number (1094354007).

Almost surely, 2^2188708013 is an apocalyptic number.

It is an amenable number.

2188708013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188708013 is an equidigital number, since it uses as much as digits as its factorization.

2188708013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 2188708013 is about 46783.6297544344. The cubic root of 2188708013 is about 1298.3624376945.

The spelling of 2188708013 in words is "two billion, one hundred eighty-eight million, seven hundred eight thousand, thirteen".