5382643911681 has 16 divisors (see below), whose sum is σ = 7180268457600. Its totient is φ = 3586724738688.

The previous prime is 5382643911637. The next prime is 5382643911707. The reversal of 5382643911681 is 1861193462835.

It is not a de Polignac number, because 5382643911681 - 2¹⁹ = 5382643387393 is a prime.

It is a super-2 number, since 2×5382643911681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5382643911181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56046355 + ... + 56142311.

It is an arithmetic number, because the mean of its divisors is an integer number (448766778600).

Almost surely, 2^{5382643911681} is an apocalyptic number.

It is an amenable number.

5382643911681 is a deficient number, since it is larger than the sum of its proper divisors (1797624545919).

5382643911681 is a wasteful number, since it uses less digits than its factorization.

5382643911681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104648.

The product of its digits is 7464960, while the sum is 57.

The spelling of 5382643911681 in words is "five trillion, three hundred eighty-two billion, six hundred forty-three million, nine hundred eleven thousand, six hundred eighty-one".