544874463221 has 16 divisors (see below), whose sum is σ = 635255732160. Its totient is φ = 461845697280.

The previous prime is 544874463193. The next prime is 544874463233. The reversal of 544874463221 is 122364478445.

It is a de Polignac number, because none of the positive numbers 2^k-544874463221 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 544874463221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544874463121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13595726 + ... + 13635743.

It is an arithmetic number, because the mean of its divisors is an integer number (39703483260).

Almost surely, 2^544874463221 is an apocalyptic number.

It is an amenable number.

544874463221 is a deficient number, since it is larger than the sum of its proper divisors (90381268939).

544874463221 is a wasteful number, since it uses less digits than its factorization.

544874463221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27231604.

The product of its digits is 5160960, while the sum is 50.

The spelling of 544874463221 in words is "five hundred forty-four billion, eight hundred seventy-four million, four hundred sixty-three thousand, two hundred twenty-one".