4425532421 has 4 divisors (see below), whose sum is σ = 4658455200. Its totient is φ = 4192609644.

The previous prime is 4425532411. The next prime is 4425532427. The reversal of 4425532421 is 1242355244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4425532421 - 2¹⁴ = 4425516037 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 (4425532427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116461361 + ... + 116461398.

It is an arithmetic number, because the mean of its divisors is an integer number (1164613800).

Almost surely, 2^4425532421 is an apocalyptic number.

It is an amenable number.

4425532421 is a deficient number, since it is larger than the sum of its proper divisors (232922779).

4425532421 is a wasteful number, since it uses less digits than its factorization.

4425532421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232922778.

The product of its digits is 38400, while the sum is 32.

The square root of 4425532421 is about 66524.6752791774. The cubic root of 4425532421 is about 1641.8060142286.

Adding to 4425532421 its reverse (1242355244), we get a palindrome (5667887665).

The spelling of 4425532421 in words is "four billion, four hundred twenty-five million, five hundred thirty-two thousand, four hundred twenty-one".