4221563565983 has 2 divisors, whose sum is σ = 4221563565984. Its totient is φ = 4221563565982.

The previous prime is 4221563565893. The next prime is 4221563566009. The reversal of 4221563565983 is 3895653651224.

Together with previous prime (4221563565893) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221563565983 - 2²⁸ = 4221295130527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221563561983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110781782991 + 2110781782992.

It is an arithmetic number, because the mean of its divisors is an integer number (2110781782992).

Almost surely, 2^{4221563565983} is an apocalyptic number.

4221563565983 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221563565983 is an equidigital number, since it uses as much as digits as its factorization.

4221563565983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656000, while the sum is 59.

The spelling of 4221563565983 in words is "four trillion, two hundred twenty-one billion, five hundred sixty-three million, five hundred sixty-five thousand, nine hundred eighty-three".