544360133521 has 2 divisors, whose sum is σ = 544360133522. Its totient is φ = 544360133520.

The previous prime is 544360133503. The next prime is 544360133533. The reversal of 544360133521 is 125331063445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425317882896 + 119042250625 = 652164^2 + 345025^2 .

It is a cyclic number.

It is not a de Polignac number, because 544360133521 - 2¹¹ = 544360131473 is a prime.

It is a super-3 number, since 3×544360133521³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (544360133561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272180066760 + 272180066761.

It is an arithmetic number, because the mean of its divisors is an integer number (272180066761).

Almost surely, 2^544360133521 is an apocalyptic number.

It is an amenable number.

544360133521 is a deficient number, since it is larger than the sum of its proper divisors (1).

544360133521 is an equidigital number, since it uses as much as digits as its factorization.

544360133521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 544360133521 its reverse (125331063445), we get a palindrome (669691196966).

The spelling of 544360133521 in words is "five hundred forty-four billion, three hundred sixty million, one hundred thirty-three thousand, five hundred twenty-one".