969165961 has 2 divisors, whose sum is σ = 969165962. Its totient is φ = 969165960.

The previous prime is 969165959. The next prime is 969166021. The reversal of 969165961 is 169561969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541958400 + 427207561 = 23280^2 + 20669^2 .

It is a cyclic number.

It is not a de Polignac number, because 969165961 - 2¹ = 969165959 is a prime.

It is a super-2 number, since 2×969165961² = 1878565319922107042, which contains 22 as substring.

Together with 969165959, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 969165899 and 969165908.

It is not a weakly prime, because it can be changed into another prime (969165931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484582980 + 484582981.

It is an arithmetic number, because the mean of its divisors is an integer number (484582981).

Almost surely, 2^969165961 is an apocalyptic number.

It is an amenable number.

969165961 is a deficient number, since it is larger than the sum of its proper divisors (1).

969165961 is an equidigital number, since it uses as much as digits as its factorization.

969165961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 52.

The square root of 969165961 is about 31131.4304361364. The cubic root of 969165961 is about 989.6145018158.

The spelling of 969165961 in words is "nine hundred sixty-nine million, one hundred sixty-five thousand, nine hundred sixty-one".