6534067563 has 24 divisors (see below), whose sum is σ = 9746871680. Its totient is φ = 4213658880.

The previous prime is 6534067559. The next prime is 6534067571. The reversal of 6534067563 is 3657604356.

6534067563 is a `hidden beast` number, since 6 + 534 + 0 + 67 + 56 + 3 = 666.

It is not a de Polignac number, because 6534067563 - 2² = 6534067559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534067583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 920793 + ... + 927861.

Almost surely, 2^6534067563 is an apocalyptic number.

6534067563 is a deficient number, since it is larger than the sum of its proper divisors (3212804117).

6534067563 is a wasteful number, since it uses less digits than its factorization.

6534067563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419 (or 10416 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The square root of 6534067563 is about 80833.5794271168. The cubic root of 6534067563 is about 1869.5103489828.

It can be divided in two parts, 653406 and 7563, that added together give a square (660969 = 813²).

The spelling of 6534067563 in words is "six billion, five hundred thirty-four million, sixty-seven thousand, five hundred sixty-three".