4431420133 has 8 divisors (see below), whose sum is σ = 5140069952. Its totient is φ = 3741667776.

The previous prime is 4431420131. The next prime is 4431420137. The reversal of 4431420133 is 3310241344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4431420133 - 2¹ = 4431420131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4431420098 and 4431420107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431420131) 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, 4723860 + ... + 4724797.

It is an arithmetic number, because the mean of its divisors is an integer number (642508744).

Almost surely, 2^4431420133 is an apocalyptic number.

It is an amenable number.

4431420133 is a deficient number, since it is larger than the sum of its proper divisors (708649819).

4431420133 is an equidigital number, since it uses as much as digits as its factorization.

4431420133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448731.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4431420133 is about 66568.9126619926. The cubic root of 4431420133 is about 1642.5337758075.

Adding to 4431420133 its reverse (3310241344), we get a palindrome (7741661477).

The spelling of 4431420133 in words is "four billion, four hundred thirty-one million, four hundred twenty thousand, one hundred thirty-three".