206297625559 has 2 divisors, whose sum is σ = 206297625560. Its totient is φ = 206297625558.

The previous prime is 206297625551. The next prime is 206297625619. The reversal of 206297625559 is 955526792602.

206297625559 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 206297625559 - 2³ = 206297625551 is a prime.

It is a super-2 number, since 2×206297625559² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206297625551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103148812779 + 103148812780.

It is an arithmetic number, because the mean of its divisors is an integer number (103148812780).

Almost surely, 2^206297625559 is an apocalyptic number.

206297625559 is a deficient number, since it is larger than the sum of its proper divisors (1).

206297625559 is an equidigital number, since it uses as much as digits as its factorization.

206297625559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 206297625559 in words is "two hundred six billion, two hundred ninety-seven million, six hundred twenty-five thousand, five hundred fifty-nine".