6563463252 has 12 divisors (see below), whose sum is σ = 15314747616. Its totient is φ = 2187821080.

The previous prime is 6563463211. The next prime is 6563463307. The reversal of 6563463252 is 2523643656.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 273477624 + ... + 273477647.

It is an arithmetic number, because the mean of its divisors is an integer number (1276228968).

Almost surely, 2^6563463252 is an apocalyptic number.

It is an amenable number.

6563463252 is an abundant number, since it is smaller than the sum of its proper divisors (8751284364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6563463252 is a wasteful number, since it uses less digits than its factorization.

6563463252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546955278 (or 546955276 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The square root of 6563463252 is about 81015.2038323672. The cubic root of 6563463252 is about 1872.3096944985.

The spelling of 6563463252 in words is "six billion, five hundred sixty-three million, four hundred sixty-three thousand, two hundred fifty-two".