432444013 has 4 divisors (see below), whose sum is σ = 440603388. Its totient is φ = 424284640.

The previous prime is 432444007. The next prime is 432444071. The reversal of 432444013 is 310444234.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206152164 + 226291849 = 14358^2 + 15043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432444013 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 (432444073) 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, 4079608 + ... + 4079713.

It is an arithmetic number, because the mean of its divisors is an integer number (110150847).

Almost surely, 2^432444013 is an apocalyptic number.

It is an amenable number.

432444013 is a deficient number, since it is larger than the sum of its proper divisors (8159375).

432444013 is an equidigital number, since it uses as much as digits as its factorization.

432444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159374.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 432444013 is about 20795.2882403683. The cubic root of 432444013 is about 756.2115326107.

Adding to 432444013 its reverse (310444234), we get a palindrome (742888247).

The spelling of 432444013 in words is "four hundred thirty-two million, four hundred forty-four thousand, thirteen".