266904812371 has 2 divisors, whose sum is σ = 266904812372. Its totient is φ = 266904812370.

The previous prime is 266904812341. The next prime is 266904812407. The reversal of 266904812371 is 173218409662.

It is a happy number.

266904812371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266904812371 is a prime.

It is not a weakly prime, because it can be changed into another prime (266904812341) 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, 133452406185 + 133452406186.

It is an arithmetic number, because the mean of its divisors is an integer number (133452406186).

Almost surely, 2^266904812371 is an apocalyptic number.

266904812371 is a deficient number, since it is larger than the sum of its proper divisors (1).

266904812371 is an equidigital number, since it uses as much as digits as its factorization.

266904812371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 266904812371 in words is "two hundred sixty-six billion, nine hundred four million, eight hundred twelve thousand, three hundred seventy-one".