563655505556365 has 16 divisors (see below), whose sum is σ = 676701304708608. Its totient is φ = 450714615809536.

The previous prime is 563655505556359. The next prime is 563655505556401.

It is a happy number.

563655505556365 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 563655505556365 - 2⁹ = 563655505555853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563655505556294 and 563655505556303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463619064 + ... + 464833246.

It is an arithmetic number, because the mean of its divisors is an integer number (42293831544288).

Almost surely, 2^{563655505556365} is an apocalyptic number.

It is an amenable number.

563655505556365 is a deficient number, since it is larger than the sum of its proper divisors (113045799152243).

563655505556365 is a wasteful number, since it uses less digits than its factorization.

563655505556365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257308.

The product of its (nonzero) digits is 4556250000, while the sum is 70.

The spelling of 563655505556365 in words is "five hundred sixty-three trillion, six hundred fifty-five billion, five hundred five million, five hundred fifty-six thousand, three hundred sixty-five".