56863180769 has 2 divisors, whose sum is σ = 56863180770. Its totient is φ = 56863180768.

The previous prime is 56863180739. The next prime is 56863180771. The reversal of 56863180769 is 96708136865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45161350144 + 11701830625 = 212512^2 + 108175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56863180769 is a prime.

It is a super-2 number, since 2×56863180769² (a number of 22 digits) contains 22 as substring.

Together with 56863180771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56863180739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28431590384 + 28431590385.

It is an arithmetic number, because the mean of its divisors is an integer number (28431590385).

Almost surely, 2^56863180769 is an apocalyptic number.

It is an amenable number.

56863180769 is a deficient number, since it is larger than the sum of its proper divisors (1).

56863180769 is an equidigital number, since it uses as much as digits as its factorization.

56863180769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 56863180769 in words is "fifty-six billion, eight hundred sixty-three million, one hundred eighty thousand, seven hundred sixty-nine".