5639636988544 has 256 divisors, whose sum is σ = 13100458291200. Its totient is φ = 2398680760320.

The previous prime is 5639636988529. The next prime is 5639636988571. The reversal of 5639636988544 is 4458896369365.

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, 89673142 + ... + 89736010.

It is an arithmetic number, because the mean of its divisors is an integer number (51173665200).

Almost surely, 2^{5639636988544} 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 5639636988544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6550229145600).

5639636988544 is an abundant number, since it is smaller than the sum of its proper divisors (7460821302656).

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

5639636988544 is a wasteful number, since it uses less digits than its factorization.

5639636988544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63011 (or 62999 counting only the distinct ones).

The product of its digits is 4031078400, while the sum is 76.

The spelling of 5639636988544 in words is "five trillion, six hundred thirty-nine billion, six hundred thirty-six million, nine hundred eighty-eight thousand, five hundred forty-four".