5681319771 has 16 divisors (see below), whose sum is σ = 7791189248. Its totient is φ = 3679797600.

The previous prime is 5681319757. The next prime is 5681319773. The reversal of 5681319771 is 1779131865.

It is not a de Polignac number, because 5681319771 - 2⁷ = 5681319643 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5681319771.

It is not an unprimeable number, because it can be changed into a prime (5681319773) 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, 39666 + ... + 113736.

It is an arithmetic number, because the mean of its divisors is an integer number (486949328).

Almost surely, 2^5681319771 is an apocalyptic number.

5681319771 is a deficient number, since it is larger than the sum of its proper divisors (2109869477).

5681319771 is a wasteful number, since it uses less digits than its factorization.

5681319771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74802.

The product of its digits is 317520, while the sum is 48.

The square root of 5681319771 is about 75374.5299885843. The cubic root of 5681319771 is about 1784.3624607684.

The spelling of 5681319771 in words is "five billion, six hundred eighty-one million, three hundred nineteen thousand, seven hundred seventy-one".