6813311707 has 16 divisors (see below), whose sum is σ = 7425252000. Its totient is φ = 6227069184.

The previous prime is 6813311693. The next prime is 6813311717. The reversal of 6813311707 is 7071133186.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6813311707 - 2⁷ = 6813311579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6813311717) 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, 785269 + ... + 793897.

It is an arithmetic number, because the mean of its divisors is an integer number (464078250).

Almost surely, 2^6813311707 is an apocalyptic number.

6813311707 is a deficient number, since it is larger than the sum of its proper divisors (611940293).

6813311707 is a wasteful number, since it uses less digits than its factorization.

6813311707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 6813311707 is about 82542.7871288582. The cubic root of 6813311707 is about 1895.7719192598.

The spelling of 6813311707 in words is "six billion, eight hundred thirteen million, three hundred eleven thousand, seven hundred seven".