56410823309 has 2 divisors, whose sum is σ = 56410823310. Its totient is φ = 56410823308.

The previous prime is 56410823237. The next prime is 56410823311. The reversal of 56410823309 is 90332801465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55662964900 + 747858409 = 235930^2 + 27347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56410823309 is a prime.

Together with 56410823311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56410822309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28205411654 + 28205411655.

It is an arithmetic number, because the mean of its divisors is an integer number (28205411655).

Almost surely, 2^56410823309 is an apocalyptic number.

It is an amenable number.

56410823309 is a deficient number, since it is larger than the sum of its proper divisors (1).

56410823309 is an equidigital number, since it uses as much as digits as its factorization.

56410823309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 56410823309 in words is "fifty-six billion, four hundred ten million, eight hundred twenty-three thousand, three hundred nine".