275666212067 has 2 divisors, whose sum is σ = 275666212068. Its totient is φ = 275666212066.

The previous prime is 275666212049. The next prime is 275666212103. The reversal of 275666212067 is 760212666572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275666212067 - 2³⁴ = 258486342883 is a prime.

It is not a weakly prime, because it can be changed into another prime (275666212267) 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, 137833106033 + 137833106034.

It is an arithmetic number, because the mean of its divisors is an integer number (137833106034).

Almost surely, 2^275666212067 is an apocalyptic number.

275666212067 is a deficient number, since it is larger than the sum of its proper divisors (1).

275666212067 is an equidigital number, since it uses as much as digits as its factorization.

275666212067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 275666212067 in words is "two hundred seventy-five billion, six hundred sixty-six million, two hundred twelve thousand, sixty-seven".