266334330349 has 2 divisors, whose sum is σ = 266334330350. Its totient is φ = 266334330348.

The previous prime is 266334330211. The next prime is 266334330377. The reversal of 266334330349 is 943033433662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245998144324 + 20336186025 = 495982^2 + 142605^2 .

It is a cyclic number.

It is not a de Polignac number, because 266334330349 - 2¹⁹ = 266333806061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266334330299 and 266334330308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266334330149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133167165174 + 133167165175.

It is an arithmetic number, because the mean of its divisors is an integer number (133167165175).

Almost surely, 2^266334330349 is an apocalyptic number.

It is an amenable number.

266334330349 is a deficient number, since it is larger than the sum of its proper divisors (1).

266334330349 is an equidigital number, since it uses as much as digits as its factorization.

266334330349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 46.

The spelling of 266334330349 in words is "two hundred sixty-six billion, three hundred thirty-four million, three hundred thirty thousand, three hundred forty-nine".