4875781074781 has 4 divisors (see below), whose sum is σ = 5043911456700. Its totient is φ = 4707650692864.

The previous prime is 4875781074739. The next prime is 4875781074793. The reversal of 4875781074781 is 1874701875784.

4875781074781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3925807263225 + 949973811556 = 1981365^2 + 974666^2 .

It is a cyclic number.

It is not a de Polignac number, because 4875781074781 - 2¹⁹ = 4875780550493 is a prime.

It is a super-3 number, since 3×4875781074781³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4875781074721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84065190916 + ... + 84065190973.

It is an arithmetic number, because the mean of its divisors is an integer number (1260977864175).

Almost surely, 2^{4875781074781} is an apocalyptic number.

It is an amenable number.

4875781074781 is a deficient number, since it is larger than the sum of its proper divisors (168130381919).

4875781074781 is a wasteful number, since it uses less digits than its factorization.

4875781074781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168130381918.

The product of its (nonzero) digits is 98344960, while the sum is 67.

The spelling of 4875781074781 in words is "four trillion, eight hundred seventy-five billion, seven hundred eighty-one million, seventy-four thousand, seven hundred eighty-one".