5939844864 has 72 divisors (see below), whose sum is σ = 15933388800. Its totient is φ = 1964325888.

The previous prime is 5939844853. The next prime is 5939844917. The reversal of 5939844864 is 4684489395.

It is a junction number, because it is equal to n+sod(n) for n = 5939844798 and 5939844807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67087 + ... + 127985.

Almost surely, 2^5939844864 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 5939844864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7966694400).

5939844864 is an abundant number, since it is smaller than the sum of its proper divisors (9993543936).

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

5939844864 is a wasteful number, since it uses less digits than its factorization.

5939844864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61045 (or 61031 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The square root of 5939844864 is about 77070.3890219843. The cubic root of 5939844864 is about 1811.0274544598.

The spelling of 5939844864 in words is "five billion, nine hundred thirty-nine million, eight hundred forty-four thousand, eight hundred sixty-four".