4420544243 has 2 divisors, whose sum is σ = 4420544244. Its totient is φ = 4420544242.

The previous prime is 4420544203. The next prime is 4420544287. The reversal of 4420544243 is 3424450244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4420544243 - 2¹² = 4420540147 is a prime.

It is a super-2 number, since 2×4420544243² = 39082422808640886098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4420544203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210272121 + 2210272122.

It is an arithmetic number, because the mean of its divisors is an integer number (2210272122).

Almost surely, 2^4420544243 is an apocalyptic number.

4420544243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420544243 is an equidigital number, since it uses as much as digits as its factorization.

4420544243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 4420544243 is about 66487.1735224171. The cubic root of 4420544243 is about 1641.1889359708.

Adding to 4420544243 its reverse (3424450244), we get a palindrome (7844994487).

The spelling of 4420544243 in words is "four billion, four hundred twenty million, five hundred forty-four thousand, two hundred forty-three".