4706781881 has 4 divisors (see below), whose sum is σ = 4748434932. Its totient is φ = 4665128832.

The previous prime is 4706781851. The next prime is 4706781883. The reversal of 4706781881 is 1881876074.

4706781881 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 735765625 + 3971016256 = 27125^2 + 63016^2 .

It is a cyclic number.

It is not a de Polignac number, because 4706781881 - 2¹⁸ = 4706519737 is a prime.

It is a super-2 number, since 2×4706781881² = 44307591350619796322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4706781883) 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, 20826356 + ... + 20826581.

It is an arithmetic number, because the mean of its divisors is an integer number (1187108733).

Almost surely, 2^4706781881 is an apocalyptic number.

It is an amenable number.

4706781881 is a deficient number, since it is larger than the sum of its proper divisors (41653051).

4706781881 is a wasteful number, since it uses less digits than its factorization.

4706781881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41653050.

The product of its (nonzero) digits is 602112, while the sum is 50.

The square root of 4706781881 is about 68605.9901247697. The cubic root of 4706781881 is about 1675.8739784118.

The spelling of 4706781881 in words is "four billion, seven hundred six million, seven hundred eighty-one thousand, eight hundred eighty-one".