2681731093 has 8 divisors (see below), whose sum is σ = 2709587160. Its totient is φ = 2653900800.

The previous prime is 2681731081. The next prime is 2681731099. The reversal of 2681731093 is 3901371862.

It can be written as a sum of positive squares in 4 ways, for example, as 1263304849 + 1418426244 = 35543^2 + 37662^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2681731093 - 2⁵ = 2681731061 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 (2681731099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258421 + ... + 268597.

It is an arithmetic number, because the mean of its divisors is an integer number (338698395).

Almost surely, 2^2681731093 is an apocalyptic number.

It is an amenable number.

2681731093 is a deficient number, since it is larger than the sum of its proper divisors (27856067).

2681731093 is a wasteful number, since it uses less digits than its factorization.

2681731093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2681731093 is about 51785.4332124392. The cubic root of 2681731093 is about 1389.3289193703.

The spelling of 2681731093 in words is "two billion, six hundred eighty-one million, seven hundred thirty-one thousand, ninety-three".