206370942342671 has 2 divisors, whose sum is σ = 206370942342672. Its totient is φ = 206370942342670.

The previous prime is 206370942342637. The next prime is 206370942342739. The reversal of 206370942342671 is 176243249073602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206370942342671 - 2³⁸ = 206096064435727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206370942362671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103185471171335 + 103185471171336.

It is an arithmetic number, because the mean of its divisors is an integer number (103185471171336).

Almost surely, 2^{206370942342671} is an apocalyptic number.

206370942342671 is a deficient number, since it is larger than the sum of its proper divisors (1).

206370942342671 is an equidigital number, since it uses as much as digits as its factorization.

206370942342671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 56.

The spelling of 206370942342671 in words is "two hundred six trillion, three hundred seventy billion, nine hundred forty-two million, three hundred forty-two thousand, six hundred seventy-one".