64550022560449 has 2 divisors, whose sum is σ = 64550022560450. Its totient is φ = 64550022560448.

The previous prime is 64550022560431. The next prime is 64550022560453. The reversal of 64550022560449 is 94406522005546.

64550022560449 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., 61834553615025 + 2715468945424 = 7863495^2 + 1647868^2 .

It is a cyclic number.

It is not a de Polignac number, because 64550022560449 - 2¹⁷ = 64550022429377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64550022560396 and 64550022560405.

It is not a weakly prime, because it can be changed into another prime (64550022060449) 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, 32275011280224 + 32275011280225.

It is an arithmetic number, because the mean of its divisors is an integer number (32275011280225).

Almost surely, 2^{64550022560449} is an apocalyptic number.

It is an amenable number.

64550022560449 is a deficient number, since it is larger than the sum of its proper divisors (1).

64550022560449 is an equidigital number, since it uses as much as digits as its factorization.

64550022560449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 64550022560449 in words is "sixty-four trillion, five hundred fifty billion, twenty-two million, five hundred sixty thousand, four hundred forty-nine".