6533502000 has 80 divisors (see below), whose sum is σ = 21064029792. Its totient is φ = 1742265600.

The previous prime is 6533501983. The next prime is 6533502037. The reversal of 6533502000 is 2053356.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538459 + ... + 550458.

Almost surely, 2^6533502000 is an apocalyptic number.

6533502000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6533502000 is an abundant number, since it is smaller than the sum of its proper divisors (14530527792).

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

6533502000 is a wasteful number, since it uses less digits than its factorization.

6533502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088943 (or 1088927 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 6533502000 is about 80830.0810342288. The cubic root of 6533502000 is about 1869.4564082903.

Adding to 6533502000 its reverse (2053356), we get a palindrome (6535555356).

The spelling of 6533502000 in words is "six billion, five hundred thirty-three million, five hundred two thousand".