544550408449 has 2 divisors, whose sum is σ = 544550408450. Its totient is φ = 544550408448.

The previous prime is 544550408393. The next prime is 544550408461. The reversal of 544550408449 is 944804055445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535285383424 + 9265025025 = 731632^2 + 96255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544550408449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544550408396 and 544550408405.

It is not a weakly prime, because it can be changed into another prime (544550408749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272275204224 + 272275204225.

It is an arithmetic number, because the mean of its divisors is an integer number (272275204225).

Almost surely, 2^544550408449 is an apocalyptic number.

It is an amenable number.

544550408449 is a deficient number, since it is larger than the sum of its proper divisors (1).

544550408449 is an equidigital number, since it uses as much as digits as its factorization.

544550408449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216000, while the sum is 52.

The spelling of 544550408449 in words is "five hundred forty-four billion, five hundred fifty million, four hundred eight thousand, four hundred forty-nine".