424167273217 has 2 divisors, whose sum is σ = 424167273218. Its totient is φ = 424167273216.

The previous prime is 424167273181. The next prime is 424167273259. The reversal of 424167273217 is 712372761424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401650470081 + 22516803136 = 633759^2 + 150056^2 .

It is a cyclic number.

It is not a de Polignac number, because 424167273217 - 2¹⁵ = 424167240449 is a prime.

It is not a weakly prime, because it can be changed into another prime (424167273017) 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, 212083636608 + 212083636609.

It is an arithmetic number, because the mean of its divisors is an integer number (212083636609).

Almost surely, 2^424167273217 is an apocalyptic number.

It is an amenable number.

424167273217 is a deficient number, since it is larger than the sum of its proper divisors (1).

424167273217 is an equidigital number, since it uses as much as digits as its factorization.

424167273217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 46.

The spelling of 424167273217 in words is "four hundred twenty-four billion, one hundred sixty-seven million, two hundred seventy-three thousand, two hundred seventeen".