8534852573809 has 9 divisors (see below), whose sum is σ = 8546926430091. Its totient is φ = 8522795762040.

The previous prime is 8534852573777. The next prime is 8534852573813. The reversal of 8534852573809 is 9083752584358.

The square root of 8534852573809 is 2921447.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6583858205409 + 1950994368400 = 2565903^2 + 1396780^2 .

It is not a de Polignac number, because 8534852573809 - 2⁵ = 8534852573777 is a prime.

It is a super-2 number, since 2×8534852573809² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8534852573839) 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 8 ways as a sum of consecutive naturals, for example, 2649750819 + ... + 2649754039.

Almost surely, 2^{8534852573809} is an apocalyptic number.

8534852573809 is the 2921447-th square number.

8534852573809 is the 1460724-th centered octagonal number.

It is an amenable number.

8534852573809 is a deficient number, since it is larger than the sum of its proper divisors (12073856282).

8534852573809 is an frugal number, since it uses more digits than its factorization.

8534852573809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256 (or 4128 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 8534852573809 in words is "eight trillion, five hundred thirty-four billion, eight hundred fifty-two million, five hundred seventy-three thousand, eight hundred nine".