5691655169 has 2 divisors, whose sum is σ = 5691655170. Its totient is φ = 5691655168.

The previous prime is 5691655133. The next prime is 5691655171. The reversal of 5691655169 is 9615561965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3661702144 + 2029953025 = 60512^2 + 45055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5691655169 is a prime.

It is a super-2 number, since 2×5691655169² = 64789877125608837122, which contains 22 as substring.

Together with 5691655171, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5691655169.

It is not a weakly prime, because it can be changed into another prime (5691655069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845827584 + 2845827585.

It is an arithmetic number, because the mean of its divisors is an integer number (2845827585).

Almost surely, 2^5691655169 is an apocalyptic number.

It is an amenable number.

5691655169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691655169 is an equidigital number, since it uses as much as digits as its factorization.

5691655169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 53.

The square root of 5691655169 is about 75443.0591174563. The cubic root of 5691655169 is about 1785.4438365178.

The spelling of 5691655169 in words is "five billion, six hundred ninety-one million, six hundred fifty-five thousand, one hundred sixty-nine".