563994443917 has 8 divisors (see below), whose sum is σ = 593331386400. Its totient is φ = 535316758704.

The previous prime is 563994443911. The next prime is 563994443981. The reversal of 563994443917 is 719344499365.

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

It is not a de Polignac number, because 563994443917 - 2¹¹ = 563994441869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563994443911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164812563 + ... + 164815984.

It is an arithmetic number, because the mean of its divisors is an integer number (74166423300).

Almost surely, 2^563994443917 is an apocalyptic number.

It is an amenable number.

563994443917 is a deficient number, since it is larger than the sum of its proper divisors (29336942483).

563994443917 is a wasteful number, since it uses less digits than its factorization.

563994443917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329628635.

The product of its digits is 88179840, while the sum is 64.

The spelling of 563994443917 in words is "five hundred sixty-three billion, nine hundred ninety-four million, four hundred forty-three thousand, nine hundred seventeen".