3681792681 has 16 divisors (see below), whose sum is σ = 5615115264. Its totient is φ = 2102094864.

The previous prime is 3681792679. The next prime is 3681792703. The reversal of 3681792681 is 1862971863.

It is not a de Polignac number, because 3681792681 - 2¹ = 3681792679 is a prime.

It is a super-2 number, since 2×3681792681² = 27111194691730335522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3681792671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48925 + ... + 98778.

It is an arithmetic number, because the mean of its divisors is an integer number (350944704).

Almost surely, 2^3681792681 is an apocalyptic number.

It is an amenable number.

3681792681 is a deficient number, since it is larger than the sum of its proper divisors (1933322583).

3681792681 is a wasteful number, since it uses less digits than its factorization.

3681792681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148900.

The product of its digits is 870912, while the sum is 51.

The square root of 3681792681 is about 60677.7774889621. Note that the first 3 decimals coincide. The cubic root of 3681792681 is about 1544.1391826049.

The spelling of 3681792681 in words is "three billion, six hundred eighty-one million, seven hundred ninety-two thousand, six hundred eighty-one".