6813311743 has 8 divisors (see below), whose sum is σ = 7797184640. Its totient is φ = 5832074520.

The previous prime is 6813311717. The next prime is 6813311753. The reversal of 6813311743 is 3471133186.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6813311743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813311753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653373 + ... + 663718.

It is an arithmetic number, because the mean of its divisors is an integer number (974648080).

Almost surely, 2^6813311743 is an apocalyptic number.

6813311743 is a deficient number, since it is larger than the sum of its proper divisors (983872897).

6813311743 is a wasteful number, since it uses less digits than its factorization.

6813311743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317837.

The product of its digits is 36288, while the sum is 37.

The square root of 6813311743 is about 82542.7873469269. The cubic root of 6813311743 is about 1895.7719225987.

The spelling of 6813311743 in words is "six billion, eight hundred thirteen million, three hundred eleven thousand, seven hundred forty-three".