4913321328 has 200 divisors, whose sum is σ = 14598471888. Its totient is φ = 1594764288.

The previous prime is 4913321299. The next prime is 4913321333. The reversal of 4913321328 is 8231233194.

4913321328 is a `hidden beast` number, since 4 + 9 + 1 + 3 + 321 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4913321292 and 4913321301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16004151 + ... + 16004457.

Almost surely, 2^4913321328 is an apocalyptic number.

4913321328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4913321328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7299235944).

4913321328 is an abundant number, since it is smaller than the sum of its proper divisors (9685150560).

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

4913321328 is a wasteful number, since it uses less digits than its factorization.

4913321328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 598 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 4913321328 is about 70095.0877594144. The cubic root of 4913321328 is about 1700.0370612451.

The spelling of 4913321328 in words is "four billion, nine hundred thirteen million, three hundred twenty-one thousand, three hundred twenty-eight".