4534221536 has 96 divisors (see below), whose sum is σ = 9925026048. Its totient is φ = 2025492480.

The previous prime is 4534221491. The next prime is 4534221539. The reversal of 4534221536 is 6351224354.

It is a junction number, because it is equal to n+sod(n) for n = 4534221496 and 4534221505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4534221539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431756 + ... + 3433076.

It is an arithmetic number, because the mean of its divisors is an integer number (103385688).

Almost surely, 2^4534221536 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 4534221536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4962513024).

4534221536 is an abundant number, since it is smaller than the sum of its proper divisors (5390804512).

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

4534221536 is a wasteful number, since it uses less digits than its factorization.

4534221536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1596 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 4534221536 is about 67336.6284870278. The cubic root of 4534221536 is about 1655.1381350735.

The spelling of 4534221536 in words is "four billion, five hundred thirty-four million, two hundred twenty-one thousand, five hundred thirty-six".