544616353321 has 4 divisors (see below), whose sum is σ = 546640949700. Its totient is φ = 542591756944.

The previous prime is 544616353297. The next prime is 544616353373. The reversal of 544616353321 is 123353616445.

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 60423047721 + 484193305600 = 245811^2 + 695840^2 .

It is a cyclic number.

It is not a de Polignac number, because 544616353321 - 2⁵ = 544616353289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544616359321) 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, 1012297786 + ... + 1012298323.

It is an arithmetic number, because the mean of its divisors is an integer number (136660237425).

Almost surely, 2^544616353321 is an apocalyptic number.

It is an amenable number.

544616353321 is a deficient number, since it is larger than the sum of its proper divisors (2024596379).

544616353321 is a wasteful number, since it uses less digits than its factorization.

544616353321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024596378.

The product of its digits is 777600, while the sum is 43.

Adding to 544616353321 its reverse (123353616445), we get a palindrome (667969969766).

The spelling of 544616353321 in words is "five hundred forty-four billion, six hundred sixteen million, three hundred fifty-three thousand, three hundred twenty-one".