544221041473 has 2 divisors, whose sum is σ = 544221041474. Its totient is φ = 544221041472.

The previous prime is 544221041467. The next prime is 544221041527. The reversal of 544221041473 is 374140122445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478045022464 + 66176019009 = 691408^2 + 257247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544221041473 is a prime.

It is not a weakly prime, because it can be changed into another prime (544221041173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272110520736 + 272110520737.

It is an arithmetic number, because the mean of its divisors is an integer number (272110520737).

Almost surely, 2^544221041473 is an apocalyptic number.

It is an amenable number.

544221041473 is a deficient number, since it is larger than the sum of its proper divisors (1).

544221041473 is an equidigital number, since it uses as much as digits as its factorization.

544221041473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 544221041473 in words is "five hundred forty-four billion, two hundred twenty-one million, forty-one thousand, four hundred seventy-three".