5443240421 has 8 divisors (see below), whose sum is σ = 6014015424. Its totient is φ = 4900308160.

The previous prime is 5443240409. The next prime is 5443240427. The reversal of 5443240421 is 1240423445.

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 5443240421 - 2⁶ = 5443240357 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 (5443240427) 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, 6960275 + ... + 6961056.

It is an arithmetic number, because the mean of its divisors is an integer number (751751928).

Almost surely, 2^5443240421 is an apocalyptic number.

It is an amenable number.

5443240421 is a deficient number, since it is larger than the sum of its proper divisors (570775003).

5443240421 is a wasteful number, since it uses less digits than its factorization.

5443240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13921371.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 5443240421 is about 73778.3194509064. The cubic root of 5443240421 is about 1759.0810049223.

Adding to 5443240421 its reverse (1240423445), we get a palindrome (6683663866).

The spelling of 5443240421 in words is "five billion, four hundred forty-three million, two hundred forty thousand, four hundred twenty-one".