413444321 has 4 divisors (see below), whose sum is σ = 413509632. Its totient is φ = 413379012.

The previous prime is 413444299. The next prime is 413444323. The reversal of 413444321 is 123444314.

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 413444321 - 2⁶ = 413444257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413444323) 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, 22001 + ... + 36206.

It is an arithmetic number, because the mean of its divisors is an integer number (103377408).

Almost surely, 2^413444321 is an apocalyptic number.

It is an amenable number.

413444321 is a deficient number, since it is larger than the sum of its proper divisors (65311).

413444321 is an equidigital number, since it uses as much as digits as its factorization.

413444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65310.

The product of its digits is 4608, while the sum is 26.

The square root of 413444321 is about 20333.3302978140. The cubic root of 413444321 is about 744.9703881448.

Adding to 413444321 its reverse (123444314), we get a palindrome (536888635).

The spelling of 413444321 in words is "four hundred thirteen million, four hundred forty-four thousand, three hundred twenty-one".