266972608954963 has 2 divisors, whose sum is σ = 266972608954964. Its totient is φ = 266972608954962.

The previous prime is 266972608954897. The next prime is 266972608954969. The reversal of 266972608954963 is 369459806279662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266972608954963 - 2¹⁷ = 266972608823891 is a prime.

It is not a weakly prime, because it can be changed into another prime (266972608954969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133486304477481 + 133486304477482.

It is an arithmetic number, because the mean of its divisors is an integer number (133486304477482).

Almost surely, 2^{266972608954963} is an apocalyptic number.

266972608954963 is a deficient number, since it is larger than the sum of its proper divisors (1).

266972608954963 is an equidigital number, since it uses as much as digits as its factorization.

266972608954963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12697896960, while the sum is 82.

The spelling of 266972608954963 in words is "two hundred sixty-six trillion, nine hundred seventy-two billion, six hundred eight million, nine hundred fifty-four thousand, nine hundred sixty-three".