63473407068217 has 2 divisors, whose sum is σ = 63473407068218. Its totient is φ = 63473407068216.

The previous prime is 63473407068179. The next prime is 63473407068221. The reversal of 63473407068217 is 71286070437436.

It is a happy number.

63473407068217 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., 42438241207296 + 21035165860921 = 6514464^2 + 4586411^2 .

It is a cyclic number.

It is not a de Polignac number, because 63473407068217 - 2³⁵ = 63439047329849 is a prime.

It is not a weakly prime, because it can be changed into another prime (63473407065217) 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, 31736703534108 + 31736703534109.

It is an arithmetic number, because the mean of its divisors is an integer number (31736703534109).

Almost surely, 2^{63473407068217} is an apocalyptic number.

It is an amenable number.

63473407068217 is a deficient number, since it is larger than the sum of its proper divisors (1).

63473407068217 is an equidigital number, since it uses as much as digits as its factorization.

63473407068217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 63473407068217 in words is "sixty-three trillion, four hundred seventy-three billion, four hundred seven million, sixty-eight thousand, two hundred seventeen".