6536836689 has 8 divisors (see below), whose sum is σ = 8717762592. Its totient is φ = 4356900960.

The previous prime is 6536836643. The next prime is 6536836699. The reversal of 6536836689 is 9866386356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6536836689 - 2¹¹ = 6536834641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6536836609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231999 + ... + 258644.

It is an arithmetic number, because the mean of its divisors is an integer number (1089720324).

Almost surely, 2^6536836689 is an apocalyptic number.

It is an amenable number.

6536836689 is a deficient number, since it is larger than the sum of its proper divisors (2180925903).

6536836689 is a wasteful number, since it uses less digits than its factorization.

6536836689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495087.

The product of its digits is 33592320, while the sum is 60.

The square root of 6536836689 is about 80850.7061750236. The cubic root of 6536836689 is about 1869.7744100502.

The spelling of 6536836689 in words is "six billion, five hundred thirty-six million, eight hundred thirty-six thousand, six hundred eighty-nine".