5681439831193 has 24 divisors (see below), whose sum is σ = 6861601643400. Its totient is φ = 4684906614528.

The previous prime is 5681439831173. The next prime is 5681439831233. The reversal of 5681439831193 is 3911389341865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 167598534544 + 5513841296649 = 409388^2 + 2348157^2 .

It is not a de Polignac number, because 5681439831193 - 2⁵ = 5681439831161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681439831103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6823348 + ... + 7610581.

It is an arithmetic number, because the mean of its divisors is an integer number (285900068475).

Almost surely, 2^{5681439831193} is an apocalyptic number.

It is an amenable number.

5681439831193 is a deficient number, since it is larger than the sum of its proper divisors (1180161812207).

5681439831193 is a wasteful number, since it uses less digits than its factorization.

5681439831193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434249 (or 14434242 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The spelling of 5681439831193 in words is "five trillion, six hundred eighty-one billion, four hundred thirty-nine million, eight hundred thirty-one thousand, one hundred ninety-three".