2681657876 has 12 divisors (see below), whose sum is σ = 4697711508. Its totient is φ = 1339454592.

The previous prime is 2681657857. The next prime is 2681657887. The reversal of 2681657876 is 6787561862.

It can be written as a sum of positive squares in 2 ways, for example, as 2215961476 + 465696400 = 47074^2 + 21580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339191 + ... + 347006.

It is an arithmetic number, because the mean of its divisors is an integer number (391475959).

Almost surely, 2^2681657876 is an apocalyptic number.

It is an amenable number.

2681657876 is a deficient number, since it is larger than the sum of its proper divisors (2016053632).

2681657876 is a wasteful number, since it uses less digits than its factorization.

2681657876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687178 (or 687176 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The square root of 2681657876 is about 51784.7262810184. The cubic root of 2681657876 is about 1389.3162753706.

The spelling of 2681657876 in words is "two billion, six hundred eighty-one million, six hundred fifty-seven thousand, eight hundred seventy-six".