6563213103 has 8 divisors (see below), whose sum is σ = 9265712688. Its totient is φ = 4118094464.

The previous prime is 6563213099. The next prime is 6563213123. The reversal of 6563213103 is 3013123656.

It is a happy number.

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 6563213103 - 2² = 6563213099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64345176 + ... + 64345277.

It is an arithmetic number, because the mean of its divisors is an integer number (1158214086).

Almost surely, 2^6563213103 is an apocalyptic number.

6563213103 is a deficient number, since it is larger than the sum of its proper divisors (2702499585).

6563213103 is a wasteful number, since it uses less digits than its factorization.

6563213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128690473.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6563213103 is about 81013.6599778087. The cubic root of 6563213103 is about 1872.2859081563.

Adding to 6563213103 its reverse (3013123656), we get a palindrome (9576336759).

The spelling of 6563213103 in words is "six billion, five hundred sixty-three million, two hundred thirteen thousand, one hundred three".