4216823543 has 2 divisors, whose sum is σ = 4216823544. Its totient is φ = 4216823542.

The previous prime is 4216823491. The next prime is 4216823581. The reversal of 4216823543 is 3453286124.

It is an a-pointer prime, because the next prime (4216823581) can be obtained adding 4216823543 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4216823543 - 2¹² = 4216819447 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4216823497 and 4216823506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4216123543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108411771 + 2108411772.

It is an arithmetic number, because the mean of its divisors is an integer number (2108411772).

Almost surely, 2^4216823543 is an apocalyptic number.

4216823543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216823543 is an equidigital number, since it uses as much as digits as its factorization.

4216823543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 38.

The square root of 4216823543 is about 64937.0737175614. The cubic root of 4216823543 is about 1615.5800289193.

The spelling of 4216823543 in words is "four billion, two hundred sixteen million, eight hundred twenty-three thousand, five hundred forty-three".