4423773217 has 2 divisors, whose sum is σ = 4423773218. Its totient is φ = 4423773216.

The previous prime is 4423773199. The next prime is 4423773257. The reversal of 4423773217 is 7123773244.

It is an a-pointer prime, because the next prime (4423773257) can be obtained adding 4423773217 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2263475776 + 2160297441 = 47576^2 + 46479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423773217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4423773217.

It is not a weakly prime, because it can be changed into another prime (4423773257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211886608 + 2211886609.

It is an arithmetic number, because the mean of its divisors is an integer number (2211886609).

Almost surely, 2^4423773217 is an apocalyptic number.

It is an amenable number.

4423773217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423773217 is an equidigital number, since it uses as much as digits as its factorization.

4423773217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 40.

The square root of 4423773217 is about 66511.4517733601. The cubic root of 4423773217 is about 1641.5884393151.

The spelling of 4423773217 in words is "four billion, four hundred twenty-three million, seven hundred seventy-three thousand, two hundred seventeen".