2712681863 has 4 divisors (see below), whose sum is σ = 2753169720. Its totient is φ = 2672194008.

The previous prime is 2712681859. The next prime is 2712681871. The reversal of 2712681863 is 3681862172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2712681863 - 2² = 2712681859 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 (2312681863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20243828 + ... + 20243961.

It is an arithmetic number, because the mean of its divisors is an integer number (688292430).

Almost surely, 2^2712681863 is an apocalyptic number.

2712681863 is a deficient number, since it is larger than the sum of its proper divisors (40487857).

2712681863 is an equidigital number, since it uses as much as digits as its factorization.

2712681863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40487856.

The product of its digits is 193536, while the sum is 44.

The square root of 2712681863 is about 52083.4125514064. The cubic root of 2712681863 is about 1394.6533935025.

The spelling of 2712681863 in words is "two billion, seven hundred twelve million, six hundred eighty-one thousand, eight hundred sixty-three".