5621798364 has 192 divisors, whose sum is σ = 16859888640. Its totient is φ = 1417973760.

The previous prime is 5621798359. The next prime is 5621798387. The reversal of 5621798364 is 4638971265.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3577699 + ... + 3579269.

It is an arithmetic number, because the mean of its divisors is an integer number (87811920).

Almost surely, 2^5621798364 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 5621798364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8429944320).

5621798364 is an abundant number, since it is smaller than the sum of its proper divisors (11238090276).

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

5621798364 is a wasteful number, since it uses less digits than its factorization.

5621798364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1738 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 5621798364 is about 74978.6527219581. The cubic root of 5621798364 is about 1778.1091696104.

The spelling of 5621798364 in words is "five billion, six hundred twenty-one million, seven hundred ninety-eight thousand, three hundred sixty-four".