206696629 has 2 divisors, whose sum is σ = 206696630. Its totient is φ = 206696628.

The previous prime is 206696617. The next prime is 206696639. The reversal of 206696629 is 926696602.

206696629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182979729 + 23716900 = 13527^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 206696629 - 2¹³ = 206688437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206696639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103348314 + 103348315.

It is an arithmetic number, because the mean of its divisors is an integer number (103348315).

Almost surely, 2^206696629 is an apocalyptic number.

It is an amenable number.

206696629 is a deficient number, since it is larger than the sum of its proper divisors (1).

206696629 is an equidigital number, since it uses as much as digits as its factorization.

206696629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 206696629 is about 14376.9478332503. The cubic root of 206696629 is about 591.2590454927.

The spelling of 206696629 in words is "two hundred six million, six hundred ninety-six thousand, six hundred twenty-nine".