266493864013 has 8 divisors (see below), whose sum is σ = 287106461600. Its totient is φ = 245897419248.

The previous prime is 266493864001. The next prime is 266493864041. The reversal of 266493864013 is 310468394662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-266493864013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266493861013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003923 + ... + 4069936.

It is an arithmetic number, because the mean of its divisors is an integer number (35888307700).

Almost surely, 2^266493864013 is an apocalyptic number.

It is an amenable number.

266493864013 is a deficient number, since it is larger than the sum of its proper divisors (20612597587).

266493864013 is a wasteful number, since it uses less digits than its factorization.

266493864013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076411.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 266493864013 in words is "two hundred sixty-six billion, four hundred ninety-three million, eight hundred sixty-four thousand, thirteen".