4881744961 has 8 divisors (see below), whose sum is σ = 5047338600. Its totient is φ = 4717922688.

The previous prime is 4881744947. The next prime is 4881744977. The reversal of 4881744961 is 1694471884.

It can be written as a sum of positive squares in 4 ways, for example, as 2466612225 + 2415132736 = 49665^2 + 49144^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4881744961 - 2⁹ = 4881744449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4881744899 and 4881744908.

It is not an unprimeable number, because it can be changed into a prime (4881744761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437236 + ... + 448261.

It is an arithmetic number, because the mean of its divisors is an integer number (630917325).

Almost surely, 2^4881744961 is an apocalyptic number.

It is an amenable number.

4881744961 is a deficient number, since it is larger than the sum of its proper divisors (165593639).

4881744961 is a wasteful number, since it uses less digits than its factorization.

4881744961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885683.

The product of its digits is 1548288, while the sum is 52.

The square root of 4881744961 is about 69869.4851920350. The cubic root of 4881744961 is about 1696.3873641692.

The spelling of 4881744961 in words is "four billion, eight hundred eighty-one million, seven hundred forty-four thousand, nine hundred sixty-one".