6712829991 has 16 divisors (see below), whose sum is σ = 11365638400. Its totient is φ = 3835902744.

The previous prime is 6712829989. The next prime is 6712830011. The reversal of 6712829991 is 1999282176.

6712829991 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 6712829991 - 2¹ = 6712829989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6712829891) 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, 17758621 + ... + 17758998.

It is an arithmetic number, because the mean of its divisors is an integer number (710352400).

Almost surely, 2^6712829991 is an apocalyptic number.

6712829991 is a deficient number, since it is larger than the sum of its proper divisors (4652808409).

6712829991 is a wasteful number, since it uses less digits than its factorization.

6712829991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35517635 (or 35517629 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 6712829991 is about 81931.8618792470. The cubic root of 6712829991 is about 1886.4062043132.

The spelling of 6712829991 in words is "six billion, seven hundred twelve million, eight hundred twenty-nine thousand, nine hundred ninety-one".