965820604897 has 2 divisors, whose sum is σ = 965820604898. Its totient is φ = 965820604896.

The previous prime is 965820604877. The next prime is 965820604907. The reversal of 965820604897 is 798406028569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961348874256 + 4471730641 = 980484^2 + 66871^2 .

It is a cyclic number.

It is not a de Polignac number, because 965820604897 - 2¹¹ = 965820602849 is a prime.

It is not a weakly prime, because it can be changed into another prime (965820604817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482910302448 + 482910302449.

It is an arithmetic number, because the mean of its divisors is an integer number (482910302449).

Almost surely, 2^965820604897 is an apocalyptic number.

It is an amenable number.

965820604897 is a deficient number, since it is larger than the sum of its proper divisors (1).

965820604897 is an equidigital number, since it uses as much as digits as its factorization.

965820604897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 965820604897 in words is "nine hundred sixty-five billion, eight hundred twenty million, six hundred four thousand, eight hundred ninety-seven".