56709395143 has 2 divisors, whose sum is σ = 56709395144. Its totient is φ = 56709395142.

The previous prime is 56709395131. The next prime is 56709395173. The reversal of 56709395143 is 34159390765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56709395143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56709395173) 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, 28354697571 + 28354697572.

It is an arithmetic number, because the mean of its divisors is an integer number (28354697572).

Almost surely, 2^56709395143 is an apocalyptic number.

56709395143 is a deficient number, since it is larger than the sum of its proper divisors (1).

56709395143 is an equidigital number, since it uses as much as digits as its factorization.

56709395143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 56709395143 in words is "fifty-six billion, seven hundred nine million, three hundred ninety-five thousand, one hundred forty-three".