6842379691 has 32 divisors (see below), whose sum is σ = 8350691328. Its totient is φ = 5472921600.

The previous prime is 6842379689. The next prime is 6842379701. The reversal of 6842379691 is 1969732486.

It is a cyclic number.

It is not a de Polignac number, because 6842379691 - 2¹ = 6842379689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842379631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10641016 + ... + 10641658.

It is an arithmetic number, because the mean of its divisors is an integer number (260959104).

Almost surely, 2^6842379691 is an apocalyptic number.

6842379691 is a deficient number, since it is larger than the sum of its proper divisors (1508311637).

6842379691 is a wasteful number, since it uses less digits than its factorization.

6842379691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 3919104, while the sum is 55.

The square root of 6842379691 is about 82718.6780056355. The cubic root of 6842379691 is about 1898.4641041976.

The spelling of 6842379691 in words is "six billion, eight hundred forty-two million, three hundred seventy-nine thousand, six hundred ninety-one".