217466743063 has 2 divisors, whose sum is σ = 217466743064. Its totient is φ = 217466743062.

The previous prime is 217466743051. The next prime is 217466743127. The reversal of 217466743063 is 360347664712.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-217466743063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 217466742998 and 217466743016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (217466743033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108733371531 + 108733371532.

It is an arithmetic number, because the mean of its divisors is an integer number (108733371532).

Almost surely, 2^217466743063 is an apocalyptic number.

217466743063 is a deficient number, since it is larger than the sum of its proper divisors (1).

217466743063 is an equidigital number, since it uses as much as digits as its factorization.

217466743063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 217466743063 in words is "two hundred seventeen billion, four hundred sixty-six million, seven hundred forty-three thousand, sixty-three".