544561949 has 2 divisors, whose sum is σ = 544561950. Its totient is φ = 544561948.

The previous prime is 544561883. The next prime is 544561993. The reversal of 544561949 is 949165445.

544561949 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., 472192900 + 72369049 = 21730^2 + 8507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544561949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544561049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272280974 + 272280975.

It is an arithmetic number, because the mean of its divisors is an integer number (272280975).

Almost surely, 2^544561949 is an apocalyptic number.

It is an amenable number.

544561949 is a deficient number, since it is larger than the sum of its proper divisors (1).

544561949 is an equidigital number, since it uses as much as digits as its factorization.

544561949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The square root of 544561949 is about 23335.8511522507. The cubic root of 544561949 is about 816.6120121321.

The spelling of 544561949 in words is "five hundred forty-four million, five hundred sixty-one thousand, nine hundred forty-nine".