563254406221 has 12 divisors (see below), whose sum is σ = 618504893280. Its totient is φ = 512604215760.

The previous prime is 563254406203. The next prime is 563254406237. The reversal of 563254406221 is 122604452365.

It is a happy number.

It is not a de Polignac number, because 563254406221 - 2⁷ = 563254406093 is a prime.

It is a super-2 number, since 2×563254406221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563254406321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23458891 + ... + 23482888.

It is an arithmetic number, because the mean of its divisors is an integer number (51542074440).

Almost surely, 2^563254406221 is an apocalyptic number.

It is an amenable number.

563254406221 is a deficient number, since it is larger than the sum of its proper divisors (55250487059).

563254406221 is a wasteful number, since it uses less digits than its factorization.

563254406221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46941876 (or 46941863 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 563254406221 its reverse (122604452365), we get a palindrome (685858858586).

The spelling of 563254406221 in words is "five hundred sixty-three billion, two hundred fifty-four million, four hundred six thousand, two hundred twenty-one".