804573826539 has 24 divisors (see below), whose sum is σ = 1252515322368. Its totient is φ = 458059931280.

The previous prime is 804573826531. The next prime is 804573826541. The reversal of 804573826539 is 935628375408.

It is not a de Polignac number, because 804573826539 - 2³ = 804573826531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804573826531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10058487 + ... + 10138160.

It is an arithmetic number, because the mean of its divisors is an integer number (52188138432).

Almost surely, 2^804573826539 is an apocalyptic number.

804573826539 is a deficient number, since it is larger than the sum of its proper divisors (447941495829).

804573826539 is a wasteful number, since it uses less digits than its factorization.

804573826539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196935 (or 20196928 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 804573826539 in words is "eight hundred four billion, five hundred seventy-three million, eight hundred twenty-six thousand, five hundred thirty-nine".