6704047691 has 4 divisors (see below), whose sum is σ = 7313506584. Its totient is φ = 6094588800.

The previous prime is 6704047663. The next prime is 6704047729. The reversal of 6704047691 is 1967404076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6704047691 - 2⁶ = 6704047627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6704047891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304729430 + ... + 304729451.

It is an arithmetic number, because the mean of its divisors is an integer number (1828376646).

Almost surely, 2^6704047691 is an apocalyptic number.

6704047691 is a deficient number, since it is larger than the sum of its proper divisors (609458893).

6704047691 is a wasteful number, since it uses less digits than its factorization.

6704047691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609458892.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6704047691 is about 81878.2491935435. The cubic root of 6704047691 is about 1885.5831924951.

The spelling of 6704047691 in words is "six billion, seven hundred four million, forty-seven thousand, six hundred ninety-one".