854834459 has 2 divisors, whose sum is σ = 854834460. Its totient is φ = 854834458.

The previous prime is 854834411. The next prime is 854834473. The reversal of 854834459 is 954438458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854834459 - 2⁸ = 854834203 is a prime.

It is not a weakly prime, because it can be changed into another prime (854834059) 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 as a sum of consecutive naturals, namely, 427417229 + 427417230.

It is an arithmetic number, because the mean of its divisors is an integer number (427417230).

Almost surely, 2^854834459 is an apocalyptic number.

854834459 is a deficient number, since it is larger than the sum of its proper divisors (1).

854834459 is an equidigital number, since it uses as much as digits as its factorization.

854834459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The square root of 854834459 is about 29237.5522060244. The cubic root of 854834459 is about 949.0607370327.

The spelling of 854834459 in words is "eight hundred fifty-four million, eight hundred thirty-four thousand, four hundred fifty-nine".