2421234443 has 4 divisors (see below), whose sum is σ = 2425882248. Its totient is φ = 2416586640.

The previous prime is 2421234427. The next prime is 2421234451. The reversal of 2421234443 is 3444321242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421234443 - 2⁴ = 2421234427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421237443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323121 + ... + 2324162.

It is an arithmetic number, because the mean of its divisors is an integer number (606470562).

Almost surely, 2^2421234443 is an apocalyptic number.

2421234443 is a deficient number, since it is larger than the sum of its proper divisors (4647805).

2421234443 is an equidigital number, since it uses as much as digits as its factorization.

2421234443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647804.

The product of its digits is 18432, while the sum is 29.

The square root of 2421234443 is about 49206.0407165624. The cubic root of 2421234443 is about 1342.8029327472.

Adding to 2421234443 its reverse (3444321242), we get a palindrome (5865555685).

The spelling of 2421234443 in words is "two billion, four hundred twenty-one million, two hundred thirty-four thousand, four hundred forty-three".