2219804813 has 2 divisors, whose sum is σ = 2219804814. Its totient is φ = 2219804812.

The previous prime is 2219804791. The next prime is 2219804887. The reversal of 2219804813 is 3184089122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115724009 + 104080804 = 45997^2 + 10202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219804813 - 2¹⁴ = 2219788429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2219804113) 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, 1109902406 + 1109902407.

It is an arithmetic number, because the mean of its divisors is an integer number (1109902407).

Almost surely, 2^2219804813 is an apocalyptic number.

It is an amenable number.

2219804813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219804813 is an equidigital number, since it uses as much as digits as its factorization.

2219804813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2219804813 is about 47114.8046053467. The cubic root of 2219804813 is about 1304.4825168441.

The spelling of 2219804813 in words is "two billion, two hundred nineteen million, eight hundred four thousand, eight hundred thirteen".