56686850699 has 2 divisors, whose sum is σ = 56686850700. Its totient is φ = 56686850698.

The previous prime is 56686850687. The next prime is 56686850747. The reversal of 56686850699 is 99605868665.

56686850699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56686850699 - 2¹² = 56686846603 is a prime.

It is not a weakly prime, because it can be changed into another prime (56686850639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28343425349 + 28343425350.

It is an arithmetic number, because the mean of its divisors is an integer number (28343425350).

Almost surely, 2^56686850699 is an apocalyptic number.

56686850699 is a deficient number, since it is larger than the sum of its proper divisors (1).

56686850699 is an equidigital number, since it uses as much as digits as its factorization.

56686850699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 56686850699 in words is "fifty-six billion, six hundred eighty-six million, eight hundred fifty thousand, six hundred ninety-nine".