5665548455729 has 2 divisors, whose sum is σ = 5665548455730. Its totient is φ = 5665548455728.

The previous prime is 5665548455663. The next prime is 5665548455731. The reversal of 5665548455729 is 9275548455665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5663557511329 + 1990944400 = 2379823^2 + 44620^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665548455729 - 2²⁰ = 5665547407153 is a prime.

Together with 5665548455731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5665548455759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832774227864 + 2832774227865.

It is an arithmetic number, because the mean of its divisors is an integer number (2832774227865).

Almost surely, 2^{5665548455729} is an apocalyptic number.

It is an amenable number.

5665548455729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665548455729 is an equidigital number, since it uses as much as digits as its factorization.

5665548455729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400000, while the sum is 71.

The spelling of 5665548455729 in words is "five trillion, six hundred sixty-five billion, five hundred forty-eight million, four hundred fifty-five thousand, seven hundred twenty-nine".