591962362961 has 2 divisors, whose sum is σ = 591962362962. Its totient is φ = 591962362960.

The previous prime is 591962362949. The next prime is 591962362963. The reversal of 591962362961 is 169263269195.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409543681936 + 182418681025 = 639956^2 + 427105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-591962362961 is a prime.

Together with 591962362963, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 591962362961.

It is not a weakly prime, because it can be changed into another prime (591962362963) 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, 295981181480 + 295981181481.

It is an arithmetic number, because the mean of its divisors is an integer number (295981181481).

Almost surely, 2^591962362961 is an apocalyptic number.

It is an amenable number.

591962362961 is a deficient number, since it is larger than the sum of its proper divisors (1).

591962362961 is an equidigital number, since it uses as much as digits as its factorization.

591962362961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 59.

The spelling of 591962362961 in words is "five hundred ninety-one billion, nine hundred sixty-two million, three hundred sixty-two thousand, nine hundred sixty-one".