5638698528 has 24 divisors (see below), whose sum is σ = 14801583888. Its totient is φ = 1879566144.

The previous prime is 5638698521. The next prime is 5638698529. The reversal of 5638698528 is 8258968365.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (5638698521) 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 3 ways as a sum of consecutive naturals, for example, 29368126 + ... + 29368317.

It is an arithmetic number, because the mean of its divisors is an integer number (616732662).

Almost surely, 2^5638698528 is an apocalyptic number.

It is an amenable number.

5638698528 is an abundant number, since it is smaller than the sum of its proper divisors (9162885360).

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

5638698528 is a wasteful number, since it uses less digits than its factorization.

5638698528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58736456 (or 58736448 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The square root of 5638698528 is about 75091.2679876961. The cubic root of 5638698528 is about 1779.8891619744.

The spelling of 5638698528 in words is "five billion, six hundred thirty-eight million, six hundred ninety-eight thousand, five hundred twenty-eight".