56865823733 has 2 divisors, whose sum is σ = 56865823734. Its totient is φ = 56865823732.

The previous prime is 56865823711. The next prime is 56865823753. The reversal of 56865823733 is 33732856865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32957860849 + 23907962884 = 181543^2 + 154622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56865823733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56865823753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28432911866 + 28432911867.

It is an arithmetic number, because the mean of its divisors is an integer number (28432911867).

Almost surely, 2^56865823733 is an apocalyptic number.

It is an amenable number.

56865823733 is a deficient number, since it is larger than the sum of its proper divisors (1).

56865823733 is an equidigital number, since it uses as much as digits as its factorization.

56865823733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 56.

The spelling of 56865823733 in words is "fifty-six billion, eight hundred sixty-five million, eight hundred twenty-three thousand, seven hundred thirty-three".