4459816213 has 2 divisors, whose sum is σ = 4459816214. Its totient is φ = 4459816212.

The previous prime is 4459816187. The next prime is 4459816247. The reversal of 4459816213 is 3126189544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3394577169 + 1065239044 = 58263^2 + 32638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4459816213 is a prime.

It is a super-2 number, since 2×4459816213² = 39779921307475322738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4459816213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4459816253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229908106 + 2229908107.

It is an arithmetic number, because the mean of its divisors is an integer number (2229908107).

Almost surely, 2^4459816213 is an apocalyptic number.

It is an amenable number.

4459816213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4459816213 is an equidigital number, since it uses as much as digits as its factorization.

4459816213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 4459816213 is about 66781.8554174710. The cubic root of 4459816213 is about 1646.0347038457.

The spelling of 4459816213 in words is "four billion, four hundred fifty-nine million, eight hundred sixteen thousand, two hundred thirteen".