563139981263 has 8 divisors (see below), whose sum is σ = 577655269632. Its totient is φ = 548730259096.

The previous prime is 563139981259. The next prime is 563139981289. The reversal of 563139981263 is 362189931365.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 563139981263 - 2² = 563139981259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563139981199 and 563139981208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563139981223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26380745 + ... + 26402082.

It is an arithmetic number, because the mean of its divisors is an integer number (72206908704).

Almost surely, 2^563139981263 is an apocalyptic number.

563139981263 is a deficient number, since it is larger than the sum of its proper divisors (14515288369).

563139981263 is a wasteful number, since it uses less digits than its factorization.

563139981263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52783101.

The product of its digits is 6298560, while the sum is 56.

The spelling of 563139981263 in words is "five hundred sixty-three billion, one hundred thirty-nine million, nine hundred eighty-one thousand, two hundred sixty-three".