538936658689 has 8 divisors (see below), whose sum is σ = 633156354432. Its totient is φ = 452254538640.

The previous prime is 538936658683. The next prime is 538936658699. The reversal of 538936658689 is 986856639835.

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

It is a cyclic number.

It is not a de Polignac number, because 538936658689 - 2⁹ = 538936658177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538936658683) 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 in 7 ways as a sum of consecutive naturals, for example, 1884393769 + ... + 1884394054.

It is an arithmetic number, because the mean of its divisors is an integer number (79144544304).

Almost surely, 2^538936658689 is an apocalyptic number.

It is an amenable number.

538936658689 is a deficient number, since it is larger than the sum of its proper divisors (94219695743).

538936658689 is a wasteful number, since it uses less digits than its factorization.

538936658689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768787847.

The product of its digits is 2015539200, while the sum is 76.

The spelling of 538936658689 in words is "five hundred thirty-eight billion, nine hundred thirty-six million, six hundred fifty-eight thousand, six hundred eighty-nine".