563493394365 has 16 divisors (see below), whose sum is σ = 983552106816. Its totient is φ = 273208918400.

The previous prime is 563493394327. The next prime is 563493394367.

563493394365 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 563493394365 - 2¹⁷ = 563493263293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563493394299 and 563493394308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563493394367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707555576 + ... + 1707555905.

It is an arithmetic number, because the mean of its divisors is an integer number (61472006676).

Almost surely, 2^563493394365 is an apocalyptic number.

563493394365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

563493394365 is a deficient number, since it is larger than the sum of its proper divisors (420058712451).

563493394365 is a wasteful number, since it uses less digits than its factorization.

563493394365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415111500.

The product of its digits is 94478400, while the sum is 60.

The spelling of 563493394365 in words is "five hundred sixty-three billion, four hundred ninety-three million, three hundred ninety-four thousand, three hundred sixty-five".