4424243291 has 16 divisors (see below), whose sum is σ = 4911543168. Its totient is φ = 3958761600.

The previous prime is 4424243279. The next prime is 4424243303. The reversal of 4424243291 is 1923424244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4424243279) and next prime (4424243303).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4424243291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4424243221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113381 + ... + 147321.

It is an arithmetic number, because the mean of its divisors is an integer number (306971448).

Almost surely, 2^4424243291 is an apocalyptic number.

4424243291 is a deficient number, since it is larger than the sum of its proper divisors (487299877).

4424243291 is a wasteful number, since it uses less digits than its factorization.

4424243291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34262.

The product of its digits is 55296, while the sum is 35.

The square root of 4424243291 is about 66514.9854619243. The cubic root of 4424243291 is about 1641.6465827955.

The spelling of 4424243291 in words is "four billion, four hundred twenty-four million, two hundred forty-three thousand, two hundred ninety-one".