263314666413361 has 4 divisors (see below), whose sum is σ = 263315104973824. Its totient is φ = 263314227852900.

The previous prime is 263314666413349. The next prime is 263314666413397. The reversal of 263314666413361 is 163314666413362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 263314666413361 - 2⁹ = 263314666412849 is a prime.

It is a super-2 number, since 2×263314666413361² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263314666413961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218378385 + ... + 219580846.

It is an arithmetic number, because the mean of its divisors is an integer number (65828776243456).

Almost surely, 2^{263314666413361} is an apocalyptic number.

It is an amenable number.

263314666413361 is a deficient number, since it is larger than the sum of its proper divisors (438560463).

263314666413361 is an equidigital number, since it uses as much as digits as its factorization.

263314666413361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438560462.

The product of its digits is 20155392, while the sum is 55.

Subtracting from 263314666413361 its reverse (163314666413362), we obtain a palindrome (99999999999999).

The spelling of 263314666413361 in words is "two hundred sixty-three trillion, three hundred fourteen billion, six hundred sixty-six million, four hundred thirteen thousand, three hundred sixty-one".