2691106817 has 16 divisors (see below), whose sum is σ = 3286915200. Its totient is φ = 2150677248.

The previous prime is 2691106811. The next prime is 2691106841. The reversal of 2691106817 is 7186011962.

It is a cyclic number.

It is not a de Polignac number, because 2691106817 - 2⁶ = 2691106753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691106811) 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, 92942 + ... + 118407.

It is an arithmetic number, because the mean of its divisors is an integer number (205432200).

Almost surely, 2^2691106817 is an apocalyptic number.

It is an amenable number.

2691106817 is a deficient number, since it is larger than the sum of its proper divisors (595808383).

2691106817 is a wasteful number, since it uses less digits than its factorization.

2691106817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211480.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2691106817 is about 51875.8789515898. The cubic root of 2691106817 is about 1390.9461351702.

The spelling of 2691106817 in words is "two billion, six hundred ninety-one million, one hundred six thousand, eight hundred seventeen".