544660013 has 2 divisors, whose sum is σ = 544660014. Its totient is φ = 544660012.

The previous prime is 544659989. The next prime is 544660019. The reversal of 544660013 is 310066445.

It is a happy number.

544660013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365689129 + 178970884 = 19123^2 + 13378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544660013 is a prime.

It is a super-2 number, since 2×544660013² = 593309059522320338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544660019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272330006 + 272330007.

It is an arithmetic number, because the mean of its divisors is an integer number (272330007).

Almost surely, 2^544660013 is an apocalyptic number.

It is an amenable number.

544660013 is a deficient number, since it is larger than the sum of its proper divisors (1).

544660013 is an equidigital number, since it uses as much as digits as its factorization.

544660013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 544660013 is about 23337.9522023677. The cubic root of 544660013 is about 816.6610273293.

It can be divided in two parts, 54466001 and 3, that multiplied together give a triangular number (163398003 = T₁₈₀₇₇).

The spelling of 544660013 in words is "five hundred forty-four million, six hundred sixty thousand, thirteen".