969097889 has 2 divisors, whose sum is σ = 969097890. Its totient is φ = 969097888.

The previous prime is 969097867. The next prime is 969097931. The reversal of 969097889 is 988790969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783048289 + 186049600 = 27983^2 + 13640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969097889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (969097289) 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, 484548944 + 484548945.

It is an arithmetic number, because the mean of its divisors is an integer number (484548945).

Almost surely, 2^969097889 is an apocalyptic number.

It is an amenable number.

969097889 is a deficient number, since it is larger than the sum of its proper divisors (1).

969097889 is an equidigital number, since it uses as much as digits as its factorization.

969097889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 65.

The square root of 969097889 is about 31130.3371167098. The cubic root of 969097889 is about 989.5913318537.

The spelling of 969097889 in words is "nine hundred sixty-nine million, ninety-seven thousand, eight hundred eighty-nine".