8534434427 has 4 divisors (see below), whose sum is σ = 8553699960. Its totient is φ = 8515168896.

The previous prime is 8534434411. The next prime is 8534434439. The reversal of 8534434427 is 7244344358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8534434427 - 2⁴ = 8534434411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8534434457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9632102 + ... + 9632987.

It is an arithmetic number, because the mean of its divisors is an integer number (2138424990).

Almost surely, 2^8534434427 is an apocalyptic number.

8534434427 is a deficient number, since it is larger than the sum of its proper divisors (19265533).

8534434427 is a wasteful number, since it uses less digits than its factorization.

8534434427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19265532.

The product of its digits is 1290240, while the sum is 44.

The square root of 8534434427 is about 92382.0027223918. The cubic root of 8534434427 is about 2043.5797095258.

It can be divided in two parts, 8 and 534434427, that added together give a palindrome (534434435).

The spelling of 8534434427 in words is "eight billion, five hundred thirty-four million, four hundred thirty-four thousand, four hundred twenty-seven".