4421313443 has 2 divisors, whose sum is σ = 4421313444. Its totient is φ = 4421313442.

The previous prime is 4421313439. The next prime is 4421313467. The reversal of 4421313443 is 3443131244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4421313443 - 2² = 4421313439 is a prime.

It is a super-2 number, since 2×4421313443² = 39096025122505028498, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4421313473) 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 as a sum of consecutive naturals, namely, 2210656721 + 2210656722.

It is an arithmetic number, because the mean of its divisors is an integer number (2210656722).

Almost surely, 2^4421313443 is an apocalyptic number.

4421313443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421313443 is an equidigital number, since it uses as much as digits as its factorization.

4421313443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 4421313443 is about 66492.9578451733. The cubic root of 4421313443 is about 1641.2841225395.

Adding to 4421313443 its reverse (3443131244), we get a palindrome (7864444687).

The spelling of 4421313443 in words is "four billion, four hundred twenty-one million, three hundred thirteen thousand, four hundred forty-three".