206067235291 has 2 divisors, whose sum is σ = 206067235292. Its totient is φ = 206067235290.

The previous prime is 206067235273. The next prime is 206067235327. The reversal of 206067235291 is 192532760602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206067235291 - 2¹³ = 206067227099 is a prime.

It is not a weakly prime, because it can be changed into another prime (206067235691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103033617645 + 103033617646.

It is an arithmetic number, because the mean of its divisors is an integer number (103033617646).

Almost surely, 2^206067235291 is an apocalyptic number.

206067235291 is a deficient number, since it is larger than the sum of its proper divisors (1).

206067235291 is an equidigital number, since it uses as much as digits as its factorization.

206067235291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

Adding to 206067235291 its reverse (192532760602), we get a palindrome (398599995893).

The spelling of 206067235291 in words is "two hundred six billion, sixty-seven million, two hundred thirty-five thousand, two hundred ninety-one".