6811923393 has 64 divisors (see below), whose sum is σ = 11437977600. Its totient is φ = 3970512000.

The previous prime is 6811923373. The next prime is 6811923401. The reversal of 6811923393 is 3933291186.

6811923393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6811923393 - 2⁶ = 6811923329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6811923343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 860628 + ... + 868506.

It is an arithmetic number, because the mean of its divisors is an integer number (178718400).

Almost surely, 2^6811923393 is an apocalyptic number.

It is an amenable number.

6811923393 is a deficient number, since it is larger than the sum of its proper divisors (4626054207).

6811923393 is a wasteful number, since it uses less digits than its factorization.

6811923393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011 (or 8005 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 6811923393 is about 82534.3770376926. The cubic root of 6811923393 is about 1895.6431465672.

The spelling of 6811923393 in words is "six billion, eight hundred eleven million, nine hundred twenty-three thousand, three hundred ninety-three".