6534563000 has 128 divisors (see below), whose sum is σ = 17566848000. Its totient is φ = 2228688000.

The previous prime is 6534562987. The next prime is 6534563053. The reversal of 6534563000 is 3654356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390655 + ... + 1395345.

It is an arithmetic number, because the mean of its divisors is an integer number (137241000).

Almost surely, 2^6534563000 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 6534563000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8783424000).

6534563000 is an abundant number, since it is smaller than the sum of its proper divisors (11032285000).

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

6534563000 is a wasteful number, since it uses less digits than its factorization.

6534563000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 6534563000 is about 80836.6439184606. The cubic root of 6534563000 is about 1869.5575988356.

The spelling of 6534563000 in words is "six billion, five hundred thirty-four million, five hundred sixty-three thousand".