422623645417 has 2 divisors, whose sum is σ = 422623645418. Its totient is φ = 422623645416.

The previous prime is 422623645391. The next prime is 422623645441. The reversal of 422623645417 is 714546326224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213979331241 + 208644314176 = 462579^2 + 456776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422623645417 is a prime.

It is a super-3 number, since 3×422623645417³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (422623645447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211311822708 + 211311822709.

It is an arithmetic number, because the mean of its divisors is an integer number (211311822709).

Almost surely, 2^422623645417 is an apocalyptic number.

It is an amenable number.

422623645417 is a deficient number, since it is larger than the sum of its proper divisors (1).

422623645417 is an equidigital number, since it uses as much as digits as its factorization.

422623645417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 46.

The spelling of 422623645417 in words is "four hundred twenty-two billion, six hundred twenty-three million, six hundred forty-five thousand, four hundred seventeen".