4430431243 has 8 divisors (see below), whose sum is σ = 5068670688. Its totient is φ = 3793521984.

The previous prime is 4430431237. The next prime is 4430431249. The reversal of 4430431243 is 3421340344.

It is an interprime number because it is at equal distance from previous prime (4430431237) and next prime (4430431249).

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

It is not a de Polignac number, because 4430431243 - 2¹³ = 4430423051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4430431249) 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, 325396 + ... + 338737.

It is an arithmetic number, because the mean of its divisors is an integer number (633583836).

Almost surely, 2^4430431243 is an apocalyptic number.

4430431243 is a deficient number, since it is larger than the sum of its proper divisors (638239445).

4430431243 is an equidigital number, since it uses as much as digits as its factorization.

4430431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665093.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4430431243 is about 66561.4846814582. The cubic root of 4430431243 is about 1642.4115872830.

Adding to 4430431243 its reverse (3421340344), we get a palindrome (7851771587).

The spelling of 4430431243 in words is "four billion, four hundred thirty million, four hundred thirty-one thousand, two hundred forty-three".