563533121313 has 24 divisors (see below), whose sum is σ = 842989742400. Its totient is φ = 362333883744.

The previous prime is 563533121293. The next prime is 563533121321. The reversal of 563533121313 is 313121335365.

563533121313 is a `hidden beast` number, since 5 + 6 + 3 + 5 + 331 + 2 + 1 + 313 = 666.

It is not a de Polignac number, because 563533121313 - 2¹⁰ = 563533120289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (563533121353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953533 + ... + 1426986.

It is an arithmetic number, because the mean of its divisors is an integer number (35124572600).

Almost surely, 2^563533121313 is an apocalyptic number.

It is an amenable number.

563533121313 is a deficient number, since it is larger than the sum of its proper divisors (279456621087).

563533121313 is a wasteful number, since it uses less digits than its factorization.

563533121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381461 (or 2381458 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

Adding to 563533121313 its reverse (313121335365), we get a palindrome (876654456678).

The spelling of 563533121313 in words is "five hundred sixty-three billion, five hundred thirty-three million, one hundred twenty-one thousand, three hundred thirteen".