4443240313 has 2 divisors, whose sum is σ = 4443240314. Its totient is φ = 4443240312.

The previous prime is 4443240311. The next prime is 4443240367. The reversal of 4443240313 is 3130423444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4267094329 + 176145984 = 65323^2 + 13272^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443240313 - 2¹ = 4443240311 is a prime.

Together with 4443240311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4443240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221620156 + 2221620157.

It is an arithmetic number, because the mean of its divisors is an integer number (2221620157).

Almost surely, 2^4443240313 is an apocalyptic number.

It is an amenable number.

4443240313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443240313 is an equidigital number, since it uses as much as digits as its factorization.

4443240313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4443240313 is about 66657.6350690602. The cubic root of 4443240313 is about 1643.9928873002.

Adding to 4443240313 its reverse (3130423444), we get a palindrome (7573663757).

The spelling of 4443240313 in words is "four billion, four hundred forty-three million, two hundred forty thousand, three hundred thirteen".