6931128647793 has 16 divisors (see below), whose sum is σ = 10777265148800. Its totient is φ = 3960644941008.

The previous prime is 6931128647791. The next prime is 6931128647801. The reversal of 6931128647793 is 3977468211396.

It is not a de Polignac number, because 6931128647793 - 2¹ = 6931128647791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6931128647791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367894330 + ... + 3367896387.

It is an arithmetic number, because the mean of its divisors is an integer number (673579071800).

Almost surely, 2^{6931128647793} is an apocalyptic number.

It is an amenable number.

6931128647793 is a deficient number, since it is larger than the sum of its proper divisors (3846136501007).

6931128647793 is an equidigital number, since it uses as much as digits as its factorization.

6931128647793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735790741 (or 6735790727 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The spelling of 6931128647793 in words is "six trillion, nine hundred thirty-one billion, one hundred twenty-eight million, six hundred forty-seven thousand, seven hundred ninety-three".