5682516742809 has 21 divisors (see below), whose sum is σ = 8519974141423. Its totient is φ = 3788301586752.

The previous prime is 5682516742783. The next prime is 5682516742823. The reversal of 5682516742809 is 9082476152865.

The square root of 5682516742809 is 2383803.

It is a perfect power (a square), and thus also a powerful number.

5682516742809 is a `hidden beast` number, since 568 + 2 + 5 + 1 + 67 + 4 + 2 + 8 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4930411525209 + 752105217600 = 2220453^2 + 867240^2 .

It is not a de Polignac number, because 5682516742809 - 2³⁷ = 5545077789337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5682516741809) 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 20 ways as a sum of consecutive naturals, for example, 64318537 + ... + 64406825.

Almost surely, 2^{5682516742809} is an apocalyptic number.

5682516742809 is the 2383803-rd square number.

5682516742809 is the 1191902-nd centered octagonal number.

It is an amenable number.

5682516742809 is a deficient number, since it is larger than the sum of its proper divisors (2837457398614).

5682516742809 is an frugal number, since it uses more digits than its factorization.

5682516742809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176596 (or 88292 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 5682516742809 in words is "five trillion, six hundred eighty-two billion, five hundred sixteen million, seven hundred forty-two thousand, eight hundred nine".