206741414438269 has 2 divisors, whose sum is σ = 206741414438270. Its totient is φ = 206741414438268.

The previous prime is 206741414438267. The next prime is 206741414438303. The reversal of 206741414438269 is 962834414147602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108486494019225 + 98254920419044 = 10415685^2 + 9912362^2 .

It is a cyclic number.

It is not a de Polignac number, because 206741414438269 - 2¹ = 206741414438267 is a prime.

It is a super-3 number, since 3×206741414438269³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 206741414438267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206741414438267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103370707219134 + 103370707219135.

It is an arithmetic number, because the mean of its divisors is an integer number (103370707219135).

Almost surely, 2^{206741414438269} is an apocalyptic number.

It is an amenable number.

206741414438269 is a deficient number, since it is larger than the sum of its proper divisors (1).

206741414438269 is an equidigital number, since it uses as much as digits as its factorization.

206741414438269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 206741414438269 in words is "two hundred six trillion, seven hundred forty-one billion, four hundred fourteen million, four hundred thirty-eight thousand, two hundred sixty-nine".