4478122218763 has 2 divisors, whose sum is σ = 4478122218764. Its totient is φ = 4478122218762.

The previous prime is 4478122218743. The next prime is 4478122218793. The reversal of 4478122218763 is 3678122218744.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4478122218763 is a prime.

It is not a weakly prime, because it can be changed into another prime (4478122218743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239061109381 + 2239061109382.

It is an arithmetic number, because the mean of its divisors is an integer number (2239061109382).

Almost surely, 2^{4478122218763} is an apocalyptic number.

4478122218763 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478122218763 is an equidigital number, since it uses as much as digits as its factorization.

4478122218763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7225344, while the sum is 55.

The spelling of 4478122218763 in words is "four trillion, four hundred seventy-eight billion, one hundred twenty-two million, two hundred eighteen thousand, seven hundred sixty-three".