5685164549 has 2 divisors, whose sum is σ = 5685164550. Its totient is φ = 5685164548.

The previous prime is 5685164543. The next prime is 5685164561. The reversal of 5685164549 is 9454615865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5641512100 + 43652449 = 75110^2 + 6607^2 .

It is a cyclic number.

It is not a de Polignac number, because 5685164549 - 2⁴ = 5685164533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5685164549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5685164543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842582274 + 2842582275.

It is an arithmetic number, because the mean of its divisors is an integer number (2842582275).

Almost surely, 2^5685164549 is an apocalyptic number.

It is an amenable number.

5685164549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685164549 is an equidigital number, since it uses as much as digits as its factorization.

5685164549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 53.

The square root of 5685164549 is about 75400.0301657765. The cubic root of 5685164549 is about 1784.7648866603.

The spelling of 5685164549 in words is "five billion, six hundred eighty-five million, one hundred sixty-four thousand, five hundred forty-nine".