4444243313 has 2 divisors, whose sum is σ = 4444243314. Its totient is φ = 4444243312.

The previous prime is 4444243289. The next prime is 4444243357. The reversal of 4444243313 is 3133424444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2826836224 + 1617407089 = 53168^2 + 40217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4444243313 is a prime.

It is a super-3 number, since 3×4444243313³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4444243313.

It is not a weakly prime, because it can be changed into another prime (4444248313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222121656 + 2222121657.

It is an arithmetic number, because the mean of its divisors is an integer number (2222121657).

Almost surely, 2^4444243313 is an apocalyptic number.

It is an amenable number.

4444243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444243313 is an equidigital number, since it uses as much as digits as its factorization.

4444243313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 32.

The square root of 4444243313 is about 66665.1581637665. The cubic root of 4444243313 is about 1644.1165808730.

Adding to 4444243313 its reverse (3133424444), we get a palindrome (7577667757).

The spelling of 4444243313 in words is "four billion, four hundred forty-four million, two hundred forty-three thousand, three hundred thirteen".