969569273 has 2 divisors, whose sum is σ = 969569274. Its totient is φ = 969569272.

The previous prime is 969569257. The next prime is 969569309. The reversal of 969569273 is 372965969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 628354489 + 341214784 = 25067^2 + 18472^2 .

It is an emirp because it is prime and its reverse (372965969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969569273 - 2⁴ = 969569257 is a prime.

It is not a weakly prime, because it can be changed into another prime (969569173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484784636 + 484784637.

It is an arithmetic number, because the mean of its divisors is an integer number (484784637).

Almost surely, 2^969569273 is an apocalyptic number.

It is an amenable number.

969569273 is a deficient number, since it is larger than the sum of its proper divisors (1).

969569273 is an equidigital number, since it uses as much as digits as its factorization.

969569273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 56.

The square root of 969569273 is about 31137.9073317396. The cubic root of 969569273 is about 989.7517566200.

The spelling of 969569273 in words is "nine hundred sixty-nine million, five hundred sixty-nine thousand, two hundred seventy-three".