4432421131 has 4 divisors (see below), whose sum is σ = 4432944600. Its totient is φ = 4431897664.

The previous prime is 4432421129. The next prime is 4432421141. The reversal of 4432421131 is 1311242344.

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 4432421131 - 2¹ = 4432421129 is a prime.

It is a super-2 number, since 2×4432421131² = 39292714165070638322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4432421096 and 4432421105.

It is not an unprimeable number, because it can be changed into a prime (4432421141) 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, 248821 + ... + 266038.

It is an arithmetic number, because the mean of its divisors is an integer number (1108236150).

Almost surely, 2^4432421131 is an apocalyptic number.

4432421131 is a deficient number, since it is larger than the sum of its proper divisors (523469).

4432421131 is an equidigital number, since it uses as much as digits as its factorization.

4432421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523468.

The product of its digits is 2304, while the sum is 25.

The square root of 4432421131 is about 66576.4307469242. The cubic root of 4432421131 is about 1642.6574419004.

Adding to 4432421131 its reverse (1311242344), we get a palindrome (5743663475).

The spelling of 4432421131 in words is "four billion, four hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-one".