206651134927 has 2 divisors, whose sum is σ = 206651134928. Its totient is φ = 206651134926.

The previous prime is 206651134889. The next prime is 206651134939. The reversal of 206651134927 is 729431156602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206651134927 - 2³⁵ = 172291396559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206651134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103325567463 + 103325567464.

It is an arithmetic number, because the mean of its divisors is an integer number (103325567464).

Almost surely, 2^206651134927 is an apocalyptic number.

206651134927 is a deficient number, since it is larger than the sum of its proper divisors (1).

206651134927 is an equidigital number, since it uses as much as digits as its factorization.

206651134927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 206651134927 in words is "two hundred six billion, six hundred fifty-one million, one hundred thirty-four thousand, nine hundred twenty-seven".