63263656344313 has 4 divisors (see below), whose sum is σ = 63263672556160. Its totient is φ = 63263640132468.

The previous prime is 63263656344257. The next prime is 63263656344331. The reversal of 63263656344313 is 31344365636236.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63263656344313 - 2³³ = 63255066409721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63263656344013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708768 + ... + 11377486.

It is an arithmetic number, because the mean of its divisors is an integer number (15815918139040).

Almost surely, 2^{63263656344313} is an apocalyptic number.

It is an amenable number.

63263656344313 is a deficient number, since it is larger than the sum of its proper divisors (16211847).

63263656344313 is an equidigital number, since it uses as much as digits as its factorization.

63263656344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211846.

The product of its digits is 50388480, while the sum is 55.

The spelling of 63263656344313 in words is "sixty-three trillion, two hundred sixty-three billion, six hundred fifty-six million, three hundred forty-four thousand, three hundred thirteen".