263710816322 has 6 divisors (see below), whose sum is σ = 395567313843. Its totient is φ = 131855045042.

The previous prime is 263710816307. The next prime is 263710816403. The reversal of 263710816322 is 223618017362.

263710816322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131855408161 + 131855408161 = 363119^2 + 363119^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=363119.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263710816322.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 544679 + ... + 907797.

Almost surely, 2^263710816322 is an apocalyptic number.

263710816322 is a deficient number, since it is larger than the sum of its proper divisors (131856497521).

263710816322 is an frugal number, since it uses more digits than its factorization.

263710816322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726240 (or 363121 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 263710816322 in words is "two hundred sixty-three billion, seven hundred ten million, eight hundred sixteen thousand, three hundred twenty-two".