8534434439 has 2 divisors, whose sum is σ = 8534434440. Its totient is φ = 8534434438.

The previous prime is 8534434411. The next prime is 8534434457. The reversal of 8534434439 is 9344344358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8534434439 - 2²⁰ = 8533385863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8534434393 and 8534434402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8534434039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267217219 + 4267217220.

It is an arithmetic number, because the mean of its divisors is an integer number (4267217220).

Almost surely, 2^8534434439 is an apocalyptic number.

8534434439 is a deficient number, since it is larger than the sum of its proper divisors (1).

8534434439 is an equidigital number, since it uses as much as digits as its factorization.

8534434439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 47.

The square root of 8534434439 is about 92382.0027873395. The cubic root of 8534434439 is about 2043.5797104837.

The spelling of 8534434439 in words is "eight billion, five hundred thirty-four million, four hundred thirty-four thousand, four hundred thirty-nine".