2681931117 has 8 divisors (see below), whose sum is σ = 3691260160. Its totient is φ = 1730278080.

The previous prime is 2681931089. The next prime is 2681931127. The reversal of 2681931117 is 7111391862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2681931117 - 2⁶ = 2681931053 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 (2681931127) 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 7 ways as a sum of consecutive naturals, for example, 14418892 + ... + 14419077.

It is an arithmetic number, because the mean of its divisors is an integer number (461407520).

Almost surely, 2^2681931117 is an apocalyptic number.

It is an amenable number.

2681931117 is a deficient number, since it is larger than the sum of its proper divisors (1009329043).

2681931117 is a wasteful number, since it uses less digits than its factorization.

2681931117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28838003.

The product of its digits is 18144, while the sum is 39.

The square root of 2681931117 is about 51787.3644531173. The cubic root of 2681931117 is about 1389.3634607678.

The spelling of 2681931117 in words is "two billion, six hundred eighty-one million, nine hundred thirty-one thousand, one hundred seventeen".