2681699876 has 6 divisors (see below), whose sum is σ = 4692974790. Its totient is φ = 1340849936.

The previous prime is 2681699849. The next prime is 2681699959. The reversal of 2681699876 is 6789961862.

It can be written as a sum of positive squares in only one way, i.e., 1801153600 + 880546276 = 42440^2 + 29674^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335212481 + ... + 335212488.

It is an arithmetic number, because the mean of its divisors is an integer number (782162465).

Almost surely, 2^2681699876 is an apocalyptic number.

It is an amenable number.

2681699876 is a deficient number, since it is larger than the sum of its proper divisors (2011274914).

2681699876 is a wasteful number, since it uses less digits than its factorization.

2681699876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670424973 (or 670424971 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The square root of 2681699876 is about 51785.1318044089. The cubic root of 2681699876 is about 1389.3235284682.

The spelling of 2681699876 in words is "two billion, six hundred eighty-one million, six hundred ninety-nine thousand, eight hundred seventy-six".