5681041812 has 48 divisors (see below), whose sum is σ = 14734903680. Its totient is φ = 1892873664.

The previous prime is 5681041801. The next prime is 5681041829. The reversal of 5681041812 is 2181401865.

5681041812 is a `hidden beast` number, since 568 + 10 + 4 + 1 + 81 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277728 + ... + 297480.

It is an arithmetic number, because the mean of its divisors is an integer number (306977160).

Almost surely, 2^5681041812 is an apocalyptic number.

It is an amenable number.

5681041812 is an abundant number, since it is smaller than the sum of its proper divisors (9053861868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681041812 is a wasteful number, since it uses less digits than its factorization.

5681041812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22429 (or 22421 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 5681041812 is about 75372.6861137375. The cubic root of 5681041812 is about 1784.3333602710. Note that the first 4 decimals are identical.

The spelling of 5681041812 in words is "five billion, six hundred eighty-one million, forty-one thousand, eight hundred twelve".