4243434424289 has 2 divisors, whose sum is σ = 4243434424290. Its totient is φ = 4243434424288.

The previous prime is 4243434424259. The next prime is 4243434424303. The reversal of 4243434424289 is 9824244343424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3839405113600 + 404029310689 = 1959440^2 + 635633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243434424289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4243434424289.

It is not a weakly prime, because it can be changed into another prime (4243434424259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121717212144 + 2121717212145.

It is an arithmetic number, because the mean of its divisors is an integer number (2121717212145).

Almost surely, 2^{4243434424289} is an apocalyptic number.

It is an amenable number.

4243434424289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243434424289 is an equidigital number, since it uses as much as digits as its factorization.

4243434424289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21233664, while the sum is 53.

The spelling of 4243434424289 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, four hundred twenty-four thousand, two hundred eighty-nine".