8536558973 has 4 divisors (see below), whose sum is σ = 8542741788. Its totient is φ = 8530376160.

The previous prime is 8536558969. The next prime is 8536558981. The reversal of 8536558973 is 3798556358.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1610657689 + 6925901284 = 40133^2 + 83222^2 .

It is a cyclic number.

It is not a de Polignac number, because 8536558973 - 2² = 8536558969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8536558903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089336 + ... + 3092097.

It is an arithmetic number, because the mean of its divisors is an integer number (2135685447).

Almost surely, 2^8536558973 is an apocalyptic number.

It is an amenable number.

8536558973 is a deficient number, since it is larger than the sum of its proper divisors (6182815).

8536558973 is a wasteful number, since it uses less digits than its factorization.

8536558973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182814.

The product of its digits is 27216000, while the sum is 59.

The square root of 8536558973 is about 92393.5007075714. The cubic root of 8536558973 is about 2043.7492704153.

The spelling of 8536558973 in words is "eight billion, five hundred thirty-six million, five hundred fifty-eight thousand, nine hundred seventy-three".