4424444243 has 8 divisors (see below), whose sum is σ = 4618076928. Its totient is φ = 4230917064.

The previous prime is 4424444237. The next prime is 4424444249. The reversal of 4424444243 is 3424444244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4424444237) and next prime (4424444249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4424444243 - 2¹² = 4424440147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4424444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66296 + ... + 115082.

It is an arithmetic number, because the mean of its divisors is an integer number (577259616).

Almost surely, 2^4424444243 is an apocalyptic number.

4424444243 is a deficient number, since it is larger than the sum of its proper divisors (193632685).

4424444243 is a wasteful number, since it uses less digits than its factorization.

4424444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52753.

The product of its digits is 196608, while the sum is 35.

The square root of 4424444243 is about 66516.4960216637. The cubic root of 4424444243 is about 1641.6714373034.

Adding to 4424444243 its reverse (3424444244), we get a palindrome (7848888487).

Subtracting from 4424444243 its reverse (3424444244), we obtain a palindrome (999999999).

The spelling of 4424444243 in words is "four billion, four hundred twenty-four million, four hundred forty-four thousand, two hundred forty-three".