4242321443 has 4 divisors (see below), whose sum is σ = 4243917168. Its totient is φ = 4240725720.

The previous prime is 4242321431. The next prime is 4242321493. The reversal of 4242321443 is 3441232424.

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 4242321443 - 2¹² = 4242317347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242321493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793868 + ... + 799193.

It is an arithmetic number, because the mean of its divisors is an integer number (1060979292).

Almost surely, 2^4242321443 is an apocalyptic number.

4242321443 is a deficient number, since it is larger than the sum of its proper divisors (1595725).

4242321443 is a wasteful number, since it uses less digits than its factorization.

4242321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595724.

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

The square root of 4242321443 is about 65133.1055838734. The cubic root of 4242321443 is about 1618.8298010320.

Adding to 4242321443 its reverse (3441232424), we get a palindrome (7683553867).

The spelling of 4242321443 in words is "four billion, two hundred forty-two million, three hundred twenty-one thousand, four hundred forty-three".