4781349856 has 36 divisors (see below), whose sum is σ = 9618959952. Its totient is φ = 2338497216.

The previous prime is 4781349851. The next prime is 4781349887. The reversal of 4781349856 is 6589431874.

It is a super-2 number, since 2×4781349856² = 45722612890942441472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4781349797 and 4781349806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781349851) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2680741 + ... + 2682523.

It is an arithmetic number, because the mean of its divisors is an integer number (267193332).

Almost surely, 2^4781349856 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 4781349856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4809479976).

4781349856 is an abundant number, since it is smaller than the sum of its proper divisors (4837610096).

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

4781349856 is an frugal number, since it uses more digits than its factorization.

4781349856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 1832 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 4781349856 is about 69147.3054861865. The cubic root of 4781349856 is about 1684.6777531553.

The spelling of 4781349856 in words is "four billion, seven hundred eighty-one million, three hundred forty-nine thousand, eight hundred fifty-six".