544303130221 has 4 divisors (see below), whose sum is σ = 561861295744. Its totient is φ = 526744964700.

The previous prime is 544303130171. The next prime is 544303130243. The reversal of 544303130221 is 122031303445.

It is a happy number.

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 544303130221 - 2¹³ = 544303122029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544303130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544303137221) 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, 8779082715 + ... + 8779082776.

It is an arithmetic number, because the mean of its divisors is an integer number (140465323936).

Almost surely, 2^544303130221 is an apocalyptic number.

It is an amenable number.

544303130221 is a deficient number, since it is larger than the sum of its proper divisors (17558165523).

544303130221 is a wasteful number, since it uses less digits than its factorization.

544303130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17558165522.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 544303130221 its reverse (122031303445), we get a palindrome (666334433666).

The spelling of 544303130221 in words is "five hundred forty-four billion, three hundred three million, one hundred thirty thousand, two hundred twenty-one".