969340991 has 2 divisors, whose sum is σ = 969340992. Its totient is φ = 969340990.

The previous prime is 969340961. The next prime is 969341011. The reversal of 969340991 is 199043969.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 969340991 - 2¹⁴ = 969324607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969340961) 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, 484670495 + 484670496.

It is an arithmetic number, because the mean of its divisors is an integer number (484670496).

Almost surely, 2^969340991 is an apocalyptic number.

969340991 is a deficient number, since it is larger than the sum of its proper divisors (1).

969340991 is an equidigital number, since it uses as much as digits as its factorization.

969340991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 969340991 is about 31134.2414553494. The cubic root of 969340991 is about 989.6740725557.

The spelling of 969340991 in words is "nine hundred sixty-nine million, three hundred forty thousand, nine hundred ninety-one".