4243422433 has 2 divisors, whose sum is σ = 4243422434. Its totient is φ = 4243422432.

The previous prime is 4243422397. The next prime is 4243422451. The reversal of 4243422433 is 3342243424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3199938624 + 1043483809 = 56568^2 + 32303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243422433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4243422395 and 4243422404.

It is not a weakly prime, because it can be changed into another prime (4243422493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121711216 + 2121711217.

It is an arithmetic number, because the mean of its divisors is an integer number (2121711217).

Almost surely, 2^4243422433 is an apocalyptic number.

It is an amenable number.

4243422433 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243422433 is an equidigital number, since it uses as much as digits as its factorization.

4243422433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 31.

The square root of 4243422433 is about 65141.5568819168. The cubic root of 4243422433 is about 1618.9698313813.

Adding to 4243422433 its reverse (3342243424), we get a palindrome (7585665857).

The spelling of 4243422433 in words is "four billion, two hundred forty-three million, four hundred twenty-two thousand, four hundred thirty-three".