266034269 has 2 divisors, whose sum is σ = 266034270. Its totient is φ = 266034268.

The previous prime is 266034253. The next prime is 266034283. The reversal of 266034269 is 962430662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258405625 + 7628644 = 16075^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 266034269 - 2⁴ = 266034253 is a prime.

It is a super-2 number, since 2×266034269² = 141548464564728722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266034289) 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, 133017134 + 133017135.

It is an arithmetic number, because the mean of its divisors is an integer number (133017135).

Almost surely, 2^266034269 is an apocalyptic number.

It is an amenable number.

266034269 is a deficient number, since it is larger than the sum of its proper divisors (1).

266034269 is an equidigital number, since it uses as much as digits as its factorization.

266034269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 266034269 is about 16310.5569800666. The cubic root of 266034269 is about 643.1503759644.

The spelling of 266034269 in words is "two hundred sixty-six million, thirty-four thousand, two hundred sixty-nine".