5648489868 has 96 divisors (see below), whose sum is σ = 15857243136. Its totient is φ = 1529966592.

The previous prime is 5648489867. The next prime is 5648489897. The reversal of 5648489868 is 8689848465.

It is a junction number, because it is equal to n+sod(n) for n = 5648489799 and 5648489808.

It is not an unprimeable number, because it can be changed into a prime (5648489867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205380 + ... + 231252.

It is an arithmetic number, because the mean of its divisors is an integer number (165179616).

Almost surely, 2^5648489868 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 5648489868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7928621568).

5648489868 is an abundant number, since it is smaller than the sum of its proper divisors (10208753268).

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

5648489868 is a wasteful number, since it uses less digits than its factorization.

5648489868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26023 (or 26021 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 66.

The square root of 5648489868 is about 75156.4359719113. The cubic root of 5648489868 is about 1780.9187980527.

The spelling of 5648489868 in words is "five billion, six hundred forty-eight million, four hundred eighty-nine thousand, eight hundred sixty-eight".