5681481641 has 16 divisors (see below), whose sum is σ = 6334848000. Its totient is φ = 5051811600.

The previous prime is 5681481629. The next prime is 5681481661. The reversal of 5681481641 is 1461841865.

It is not a de Polignac number, because 5681481641 - 2¹⁰ = 5681480617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5681481592 and 5681481601.

It is not an unprimeable number, because it can be changed into a prime (5681481661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107156 + ... + 151146.

It is an arithmetic number, because the mean of its divisors is an integer number (395928000).

Almost surely, 2^5681481641 is an apocalyptic number.

It is an amenable number.

5681481641 is a deficient number, since it is larger than the sum of its proper divisors (653366359).

5681481641 is a wasteful number, since it uses less digits than its factorization.

5681481641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44260.

The product of its digits is 184320, while the sum is 44.

The square root of 5681481641 is about 75375.6037521425. The cubic root of 5681481641 is about 1784.3794070661.

The spelling of 5681481641 in words is "five billion, six hundred eighty-one million, four hundred eighty-one thousand, six hundred forty-one".