8534434457 has 2 divisors, whose sum is σ = 8534434458. Its totient is φ = 8534434456.

The previous prime is 8534434439. The next prime is 8534434463. The reversal of 8534434457 is 7544344358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5987819161 + 2546615296 = 77381^2 + 50464^2 .

It is a cyclic number.

It is not a de Polignac number, because 8534434457 - 2⁸ = 8534434201 is a prime.

It is not a weakly prime, because it can be changed into another prime (8534434057) 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, 4267217228 + 4267217229.

It is an arithmetic number, because the mean of its divisors is an integer number (4267217229).

Almost surely, 2^8534434457 is an apocalyptic number.

It is an amenable number.

8534434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8534434457 is an equidigital number, since it uses as much as digits as its factorization.

8534434457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 47.

The square root of 8534434457 is about 92382.0028847611. The cubic root of 8534434457 is about 2043.5797119204.

Subtracting from 8534434457 its reverse (7544344358), we obtain a palindrome (990090099).

The spelling of 8534434457 in words is "eight billion, five hundred thirty-four million, four hundred thirty-four thousand, four hundred fifty-seven".