563769221 has 8 divisors (see below), whose sum is σ = 568606464. Its totient is φ = 558946800.

The previous prime is 563769209. The next prime is 563769223. The reversal of 563769221 is 122967365.

563769221 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 a cyclic number.

It is not a de Polignac number, because 563769221 - 2²⁶ = 496660357 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 (563769223) 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, 80756 + ... + 87458.

It is an arithmetic number, because the mean of its divisors is an integer number (71075808).

Almost surely, 2^563769221 is an apocalyptic number.

It is an amenable number.

563769221 is a deficient number, since it is larger than the sum of its proper divisors (4837243).

563769221 is a wasteful number, since it uses less digits than its factorization.

563769221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411.

The product of its digits is 136080, while the sum is 41.

The square root of 563769221 is about 23743.8249024878. The cubic root of 563769221 is about 826.1022162626.

The spelling of 563769221 in words is "five hundred sixty-three million, seven hundred sixty-nine thousand, two hundred twenty-one".