4431342443 has 8 divisors (see below), whose sum is σ = 4952099376. Its totient is φ = 3930236800.

The previous prime is 4431342439. The next prime is 4431342457. The reversal of 4431342443 is 3442431344.

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 4431342443 - 2² = 4431342439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431342143) 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, 4912346 + ... + 4913247.

It is an arithmetic number, because the mean of its divisors is an integer number (619012422).

Almost surely, 2^4431342443 is an apocalyptic number.

4431342443 is a deficient number, since it is larger than the sum of its proper divisors (520756933).

4431342443 is a wasteful number, since it uses less digits than its factorization.

4431342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825645.

The product of its digits is 55296, while the sum is 32.

The square root of 4431342443 is about 66568.3291287982. The cubic root of 4431342443 is about 1642.5241769888.

Adding to 4431342443 its reverse (3442431344), we get a palindrome (7873773787).

The spelling of 4431342443 in words is "four billion, four hundred thirty-one million, three hundred forty-two thousand, four hundred forty-three".