969565969 has 2 divisors, whose sum is σ = 969565970. Its totient is φ = 969565968.

The previous prime is 969565967. The next prime is 969565979.

969565969 is nontrivially palindromic in base 10.

969565969 is digitally balanced in base 2, 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., 732405969 + 237160000 = 27063^2 + 15400^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 969565969 - 2¹ = 969565967 is a prime.

It is a super-2 number, since 2×969565969² = 1880116336485817922, which contains 22 as substring.

Together with 969565967, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 969565969.

It is not a weakly prime, because it can be changed into another prime (969565967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484782984 + 484782985.

It is an arithmetic number, because the mean of its divisors is an integer number (484782985).

Almost surely, 2^969565969 is an apocalyptic number.

It is an amenable number.

969565969 is a deficient number, since it is larger than the sum of its proper divisors (1).

969565969 is an equidigital number, since it uses as much as digits as its factorization.

969565969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35429400, while the sum is 64.

The square root of 969565969 is about 31137.8542773904. The cubic root of 969565969 is about 989.7506323601.

The spelling of 969565969 in words is "nine hundred sixty-nine million, five hundred sixty-five thousand, nine hundred sixty-nine".