266936029 has 2 divisors, whose sum is σ = 266936030. Its totient is φ = 266936028.

The previous prime is 266936027. The next prime is 266936041. The reversal of 266936029 is 920639662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263412900 + 3523129 = 16230^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 266936029 - 2¹ = 266936027 is a prime.

Together with 266936027, 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 (266936027) 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, 133468014 + 133468015.

It is an arithmetic number, because the mean of its divisors is an integer number (133468015).

Almost surely, 2^266936029 is an apocalyptic number.

It is an amenable number.

266936029 is a deficient number, since it is larger than the sum of its proper divisors (1).

266936029 is an equidigital number, since it uses as much as digits as its factorization.

266936029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 266936029 is about 16338.1770402943. The cubic root of 266936029 is about 643.8762388683.

The spelling of 266936029 in words is "two hundred sixty-six million, nine hundred thirty-six thousand, twenty-nine".