2681868090339 has 6 divisors (see below), whose sum is σ = 3873809463836. Its totient is φ = 1787912060220.

The previous prime is 2681868090331. The next prime is 2681868090359. The reversal of 2681868090339 is 9330908681862.

2681868090339 is a `hidden beast` number, since 2 + 68 + 1 + 86 + 80 + 90 + 339 = 666.

It is not a de Polignac number, because 2681868090339 - 2³ = 2681868090331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2681868090331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148992671677 + ... + 148992671694.

Almost surely, 2^{2681868090339} is an apocalyptic number.

2681868090339 is a deficient number, since it is larger than the sum of its proper divisors (1191941373497).

2681868090339 is a wasteful number, since it uses less digits than its factorization.

2681868090339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297985343377 (or 297985343374 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 2681868090339 in words is "two trillion, six hundred eighty-one billion, eight hundred sixty-eight million, ninety thousand, three hundred thirty-nine".