44364471563549 has 2 divisors, whose sum is σ = 44364471563550. Its totient is φ = 44364471563548.

The previous prime is 44364471563539. The next prime is 44364471563617. The reversal of 44364471563549 is 94536517446344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23946273741049 + 20418197822500 = 4893493^2 + 4518650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44364471563549 is a prime.

It is a super-2 number, since 2×44364471563549² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44364471563539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22182235781774 + 22182235781775.

It is an arithmetic number, because the mean of its divisors is an integer number (22182235781775).

Almost surely, 2^{44364471563549} is an apocalyptic number.

It is an amenable number.

44364471563549 is a deficient number, since it is larger than the sum of its proper divisors (1).

44364471563549 is an equidigital number, since it uses as much as digits as its factorization.

44364471563549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 522547200, while the sum is 65.

The spelling of 44364471563549 in words is "forty-four trillion, three hundred sixty-four billion, four hundred seventy-one million, five hundred sixty-three thousand, five hundred forty-nine".