6533041638 has 16 divisors (see below), whose sum is σ = 13072515840. Its totient is φ = 2176608456.

The previous prime is 6533041631. The next prime is 6533041651. The reversal of 6533041638 is 8361403356.

It is a junction number, because it is equal to n+sod(n) for n = 6533041596 and 6533041605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533041631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254770 + ... + 279237.

It is an arithmetic number, because the mean of its divisors is an integer number (817032240).

Almost surely, 2^6533041638 is an apocalyptic number.

6533041638 is an abundant number, since it is smaller than the sum of its proper divisors (6539474202).

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

6533041638 is a wasteful number, since it uses less digits than its factorization.

6533041638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536051.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 6533041638 is about 80827.2332694866. The cubic root of 6533041638 is about 1869.4124988674.

The spelling of 6533041638 in words is "six billion, five hundred thirty-three million, forty-one thousand, six hundred thirty-eight".