5685405653 has 4 divisors (see below), whose sum is σ = 5706541260. Its totient is φ = 5664270048.

The previous prime is 5685405569. The next prime is 5685405679. The reversal of 5685405653 is 3565045865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498093124 + 5187312529 = 22318^2 + 72023^2 .

It is a cyclic number.

It is not a de Polignac number, because 5685405653 - 2²⁴ = 5668628437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5685405598 and 5685405607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685405683) 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 3 ways as a sum of consecutive naturals, for example, 10567400 + ... + 10567937.

It is an arithmetic number, because the mean of its divisors is an integer number (1426635315).

Almost surely, 2^5685405653 is an apocalyptic number.

It is an amenable number.

5685405653 is a deficient number, since it is larger than the sum of its proper divisors (21135607).

5685405653 is a wasteful number, since it uses less digits than its factorization.

5685405653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135606.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The square root of 5685405653 is about 75401.6289810771. The cubic root of 5685405653 is about 1784.7901165293.

The spelling of 5685405653 in words is "five billion, six hundred eighty-five million, four hundred five thousand, six hundred fifty-three".