442713329 has 4 divisors (see below), whose sum is σ = 448948800. Its totient is φ = 436477860.

The previous prime is 442713301. The next prime is 442713353. The reversal of 442713329 is 923317244.

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 442713329 - 2²⁰ = 441664753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442713389) 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, 3117629 + ... + 3117770.

It is an arithmetic number, because the mean of its divisors is an integer number (112237200).

Almost surely, 2^442713329 is an apocalyptic number.

It is an amenable number.

442713329 is a deficient number, since it is larger than the sum of its proper divisors (6235471).

442713329 is an equidigital number, since it uses as much as digits as its factorization.

442713329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235470.

The product of its digits is 36288, while the sum is 35.

The square root of 442713329 is about 21040.7540026492. The cubic root of 442713329 is about 762.1507229126.

The spelling of 442713329 in words is "four hundred forty-two million, seven hundred thirteen thousand, three hundred twenty-nine".