544644361 has 2 divisors, whose sum is σ = 544644362. Its totient is φ = 544644360.

The previous prime is 544644341. The next prime is 544644371. The reversal of 544644361 is 163446445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475022025 + 69622336 = 21795^2 + 8344^2 .

It is a cyclic number.

It is not a de Polignac number, because 544644361 - 2¹⁵ = 544611593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544644361.

It is not a weakly prime, because it can be changed into another prime (544644341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272322180 + 272322181.

It is an arithmetic number, because the mean of its divisors is an integer number (272322181).

Almost surely, 2^544644361 is an apocalyptic number.

It is an amenable number.

544644361 is a deficient number, since it is larger than the sum of its proper divisors (1).

544644361 is an equidigital number, since it uses as much as digits as its factorization.

544644361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 544644361 is about 23337.6168663383. The cubic root of 544644361 is about 816.6532044058.

It can be divided in two parts, 544644 and 361, that multiplied together give a square (196616484 = 14022²).

The spelling of 544644361 in words is "five hundred forty-four million, six hundred forty-four thousand, three hundred sixty-one".