266370027241 has 2 divisors, whose sum is σ = 266370027242. Its totient is φ = 266370027240.

The previous prime is 266370027239. The next prime is 266370027281. The reversal of 266370027241 is 142720073662.

It is a happy number.

It is an a-pointer prime, because the next prime (266370027281) can be obtained adding 266370027241 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161526825216 + 104843202025 = 401904^2 + 323795^2 .

It is a cyclic number.

It is not a de Polignac number, because 266370027241 - 2¹ = 266370027239 is a prime.

Together with 266370027239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 266370027194 and 266370027203.

It is not a weakly prime, because it can be changed into another prime (266370027281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133185013620 + 133185013621.

It is an arithmetic number, because the mean of its divisors is an integer number (133185013621).

Almost surely, 2^266370027241 is an apocalyptic number.

It is an amenable number.

266370027241 is a deficient number, since it is larger than the sum of its proper divisors (1).

266370027241 is an equidigital number, since it uses as much as digits as its factorization.

266370027241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 266370027241 in words is "two hundred sixty-six billion, three hundred seventy million, twenty-seven thousand, two hundred forty-one".