266244029 has 2 divisors, whose sum is σ = 266244030. Its totient is φ = 266244028.

The previous prime is 266244023. The next prime is 266244053. The reversal of 266244029 is 920442662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264062500 + 2181529 = 16250^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 266244029 - 2²⁰ = 265195453 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266244029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266244023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133122014 + 133122015.

It is an arithmetic number, because the mean of its divisors is an integer number (133122015).

Almost surely, 2^266244029 is an apocalyptic number.

It is an amenable number.

266244029 is a deficient number, since it is larger than the sum of its proper divisors (1).

266244029 is an equidigital number, since it uses as much as digits as its factorization.

266244029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 266244029 is about 16316.9859042655. The cubic root of 266244029 is about 643.3193664508.

The spelling of 266244029 in words is "two hundred sixty-six million, two hundred forty-four thousand, twenty-nine".