13228341563 has 4 divisors (see below), whose sum is σ = 14006479320. Its totient is φ = 12450203808.

The previous prime is 13228341559. The next prime is 13228341571. The reversal of 13228341563 is 36514382231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13228341563 - 2² = 13228341559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13228341523) 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, 389068853 + ... + 389068886.

It is an arithmetic number, because the mean of its divisors is an integer number (3501619830).

Almost surely, 2^13228341563 is an apocalyptic number.

13228341563 is a deficient number, since it is larger than the sum of its proper divisors (778137757).

13228341563 is an equidigital number, since it uses as much as digits as its factorization.

13228341563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778137756.

The product of its digits is 103680, while the sum is 38.

The spelling of 13228341563 in words is "thirteen billion, two hundred twenty-eight million, three hundred forty-one thousand, five hundred sixty-three".