506244442321 has 8 divisors (see below), whose sum is σ = 528265655424. Its totient is φ = 484224111360.

The previous prime is 506244442283. The next prime is 506244442349. The reversal of 506244442321 is 123244442605.

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

It is a cyclic number.

It is not a de Polignac number, because 506244442321 - 2⁹ = 506244441809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506244482321) 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, 1127601 + ... + 1511281.

It is an arithmetic number, because the mean of its divisors is an integer number (66033206928).

Almost surely, 2^506244442321 is an apocalyptic number.

It is an amenable number.

506244442321 is a deficient number, since it is larger than the sum of its proper divisors (22021213103).

506244442321 is a wasteful number, since it uses less digits than its factorization.

506244442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441071.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 506244442321 its reverse (123244442605), we get a palindrome (629488884926).

The spelling of 506244442321 in words is "five hundred six billion, two hundred forty-four million, four hundred forty-two thousand, three hundred twenty-one".