4443234421 has 8 divisors (see below), whose sum is σ = 4472524800. Its totient is φ = 4414033680.

The previous prime is 4443234409. The next prime is 4443234431. The reversal of 4443234421 is 1244323444.

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 4443234421 - 2⁷ = 4443234293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443234431) 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, 78540 + ... + 122698.

It is an arithmetic number, because the mean of its divisors is an integer number (559065600).

Almost surely, 2^4443234421 is an apocalyptic number.

It is an amenable number.

4443234421 is a deficient number, since it is larger than the sum of its proper divisors (29290379).

4443234421 is a wasteful number, since it uses less digits than its factorization.

4443234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44819.

The product of its digits is 36864, while the sum is 31.

The square root of 4443234421 is about 66657.5908730581. The cubic root of 4443234421 is about 1643.9921606225.

Adding to 4443234421 its reverse (1244323444), we get a palindrome (5687557865).

The spelling of 4443234421 in words is "four billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred twenty-one".