6847609272691 has 24 divisors (see below), whose sum is σ = 7902465777360. Its totient is φ = 5920732466880.

The previous prime is 6847609272659. The next prime is 6847609272733. The reversal of 6847609272691 is 1962729067486.

It is not a de Polignac number, because 6847609272691 - 2⁵ = 6847609272659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (6847609272631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14327896 + ... + 14798101.

It is an arithmetic number, because the mean of its divisors is an integer number (329269407390).

Almost surely, 2^{6847609272691} is an apocalyptic number.

6847609272691 is a deficient number, since it is larger than the sum of its proper divisors (1054856504669).

6847609272691 is a wasteful number, since it uses less digits than its factorization.

6847609272691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29126115 (or 29126104 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 6847609272691 in words is "six trillion, eight hundred forty-seven billion, six hundred nine million, two hundred seventy-two thousand, six hundred ninety-one".