6563152944 has 120 divisors (see below), whose sum is σ = 19266237120. Its totient is φ = 2083221504.

The previous prime is 6563152943. The next prime is 6563152997. The reversal of 6563152944 is 4492513656.

6563152944 is a `hidden beast` number, since 6 + 5 + 631 + 5 + 2 + 9 + 4 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6563152944.

It is not an unprimeable number, because it can be changed into a prime (6563152943) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 237312 + ... + 263520.

It is an arithmetic number, because the mean of its divisors is an integer number (160551976).

Almost surely, 2^6563152944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6563152944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9633118560).

6563152944 is an abundant number, since it is smaller than the sum of its proper divisors (12703084176).

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

6563152944 is a wasteful number, since it uses less digits than its factorization.

6563152944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26307 (or 26298 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 6563152944 is about 81013.2886877209. The cubic root of 6563152944 is about 1872.2801876253.

The spelling of 6563152944 in words is "six billion, five hundred sixty-three million, one hundred fifty-two thousand, nine hundred forty-four".