6550562073449 has 2 divisors, whose sum is σ = 6550562073450. Its totient is φ = 6550562073448.

The previous prime is 6550562073383. The next prime is 6550562073457. The reversal of 6550562073449 is 9443702650556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4391719583449 + 2158842490000 = 2095643^2 + 1469300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550562073449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6550562073394 and 6550562073403.

It is not a weakly prime, because it can be changed into another prime (6550562073149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275281036724 + 3275281036725.

It is an arithmetic number, because the mean of its divisors is an integer number (3275281036725).

Almost surely, 2^{6550562073449} is an apocalyptic number.

It is an amenable number.

6550562073449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550562073449 is an equidigital number, since it uses as much as digits as its factorization.

6550562073449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 56.

The spelling of 6550562073449 in words is "six trillion, five hundred fifty billion, five hundred sixty-two million, seventy-three thousand, four hundred forty-nine".