563641645 has 8 divisors (see below), whose sum is σ = 772994304. Its totient is φ = 386497104.

The previous prime is 563641633. The next prime is 563641649. The reversal of 563641645 is 546146365.

563641645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 563641645 - 2¹¹ = 563639597 is a prime.

It is a super-3 number, since 3×563641645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563641598 and 563641607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563641649) 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, 8051989 + ... + 8052058.

It is an arithmetic number, because the mean of its divisors is an integer number (96624288).

Almost surely, 2^563641645 is an apocalyptic number.

It is an amenable number.

563641645 is a deficient number, since it is larger than the sum of its proper divisors (209352659).

563641645 is a wasteful number, since it uses less digits than its factorization.

563641645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16104059.

The product of its digits is 259200, while the sum is 40.

The square root of 563641645 is about 23741.1382414576. The cubic root of 563641645 is about 826.0398983477.

The spelling of 563641645 in words is "five hundred sixty-three million, six hundred forty-one thousand, six hundred forty-five".