266932799993 has 2 divisors, whose sum is σ = 266932799994. Its totient is φ = 266932799992.

The previous prime is 266932799981. The next prime is 266932800011. The reversal of 266932799993 is 399997239662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251589518569 + 15343281424 = 501587^2 + 123868^2 .

It is a cyclic number.

It is not a de Polignac number, because 266932799993 - 2⁶ = 266932799929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266932799993.

It is not a weakly prime, because it can be changed into another prime (266932799933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133466399996 + 133466399997.

It is an arithmetic number, because the mean of its divisors is an integer number (133466399997).

Almost surely, 2^266932799993 is an apocalyptic number.

It is an amenable number.

266932799993 is a deficient number, since it is larger than the sum of its proper divisors (1).

266932799993 is an equidigital number, since it uses as much as digits as its factorization.

266932799993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 535692528, while the sum is 74.

The spelling of 266932799993 in words is "two hundred sixty-six billion, nine hundred thirty-two million, seven hundred ninety-nine thousand, nine hundred ninety-three".