4726722456217 has 2 divisors, whose sum is σ = 4726722456218. Its totient is φ = 4726722456216.

The previous prime is 4726722456163. The next prime is 4726722456227. The reversal of 4726722456217 is 7126542276274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4613457226816 + 113265229401 = 2147896^2 + 336549^2 .

It is a cyclic number.

It is not a de Polignac number, because 4726722456217 - 2¹⁹ = 4726721931929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4726722456227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2363361228108 + 2363361228109.

It is an arithmetic number, because the mean of its divisors is an integer number (2363361228109).

Almost surely, 2^{4726722456217} is an apocalyptic number.

It is an amenable number.

4726722456217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4726722456217 is an equidigital number, since it uses as much as digits as its factorization.

4726722456217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15805440, while the sum is 55.

The spelling of 4726722456217 in words is "four trillion, seven hundred twenty-six billion, seven hundred twenty-two million, four hundred fifty-six thousand, two hundred seventeen".