6715489169 has 2 divisors, whose sum is σ = 6715489170. Its totient is φ = 6715489168.

The previous prime is 6715489133. The next prime is 6715489171. The reversal of 6715489169 is 9619845176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3420729169 + 3294760000 = 58487^2 + 57400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6715489169 - 2¹⁶ = 6715423633 is a prime.

It is a super-2 number, since 2×6715489169² = 90195589557912621122, which contains 22 as substring.

Together with 6715489171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6715489129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357744584 + 3357744585.

It is an arithmetic number, because the mean of its divisors is an integer number (3357744585).

Almost surely, 2^6715489169 is an apocalyptic number.

It is an amenable number.

6715489169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6715489169 is an equidigital number, since it uses as much as digits as its factorization.

6715489169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 56.

The square root of 6715489169 is about 81948.0882571400. The cubic root of 6715489169 is about 1886.6552611023.

The spelling of 6715489169 in words is "six billion, seven hundred fifteen million, four hundred eighty-nine thousand, one hundred sixty-nine".