266714293381 has 2 divisors, whose sum is σ = 266714293382. Its totient is φ = 266714293380.

The previous prime is 266714293327. The next prime is 266714293393. The reversal of 266714293381 is 183392417662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231586162756 + 35128130625 = 481234^2 + 187425^2 .

It is a cyclic number.

It is not a de Polignac number, because 266714293381 - 2¹⁵ = 266714260613 is a prime.

It is a super-2 number, since 2×266714293381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266714293481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133357146690 + 133357146691.

It is an arithmetic number, because the mean of its divisors is an integer number (133357146691).

Almost surely, 2^266714293381 is an apocalyptic number.

It is an amenable number.

266714293381 is a deficient number, since it is larger than the sum of its proper divisors (1).

266714293381 is an equidigital number, since it uses as much as digits as its factorization.

266714293381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The spelling of 266714293381 in words is "two hundred sixty-six billion, seven hundred fourteen million, two hundred ninety-three thousand, three hundred eighty-one".