4444320213 has 6 divisors (see below), whose sum is σ = 6419573654. Its totient is φ = 2962880136.

The previous prime is 4444320203. The next prime is 4444320263. The reversal of 4444320213 is 3120234444.

It is a happy number.

4444320213 is a `hidden beast` number, since 4 + 4 + 443 + 2 + 0 + 213 = 666.

4444320213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4395292209 + 49028004 = 66297^2 + 7002^2 .

It is not a de Polignac number, because 4444320213 - 2²¹ = 4442223061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444320203) 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 in 5 ways as a sum of consecutive naturals, for example, 246906670 + ... + 246906687.

Almost surely, 2^4444320213 is an apocalyptic number.

It is an amenable number.

4444320213 is a deficient number, since it is larger than the sum of its proper divisors (1975253441).

4444320213 is a wasteful number, since it uses less digits than its factorization.

4444320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493813363 (or 493813360 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4444320213 is about 66665.7349243223. The cubic root of 4444320213 is about 1644.1260636898.

Adding to 4444320213 its reverse (3120234444), we get a palindrome (7564554657).

The spelling of 4444320213 in words is "four billion, four hundred forty-four million, three hundred twenty thousand, two hundred thirteen".