9715969 has 2 divisors, whose sum is σ = 9715970. Its totient is φ = 9715968.

The previous prime is 9715967. The next prime is 9715991. The reversal of 9715969 is 9695179.

9715969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7091569 + 2624400 = 2663^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 9715969 - 2¹ = 9715967 is a prime.

It is a super-2 number, since 2×9715969² = 188800107217922, which contains 22 as substring.

Together with 9715967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9715963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4857984 + 4857985.

It is an arithmetic number, because the mean of its divisors is an integer number (4857985).

Almost surely, 2^9715969 is an apocalyptic number.

It is an amenable number.

9715969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9715969 is an equidigital number, since it uses as much as digits as its factorization.

9715969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 46.

The square root of 9715969 is about 3117.0449146588. The cubic root of 9715969 is about 213.3840924682.

The spelling of 9715969 in words is "nine million, seven hundred fifteen thousand, nine hundred sixty-nine".