4633971881 has 16 divisors (see below), whose sum is σ = 5807372928. Its totient is φ = 3592166400.

The previous prime is 4633971863. The next prime is 4633971887. The reversal of 4633971881 is 1881793364.

It is a cyclic number.

It is not a de Polignac number, because 4633971881 - 2²² = 4629777577 is a prime.

It is a super-2 number, since 2×4633971881² = 42947390787797356322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4633971887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141050 + ... + 170771.

It is an arithmetic number, because the mean of its divisors is an integer number (362960808).

Almost surely, 2^4633971881 is an apocalyptic number.

It is an amenable number.

4633971881 is a deficient number, since it is larger than the sum of its proper divisors (1173401047).

4633971881 is a wasteful number, since it uses less digits than its factorization.

4633971881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312032.

The product of its digits is 870912, while the sum is 50.

The square root of 4633971881 is about 68073.2831660116. The cubic root of 4633971881 is about 1667.1875740075.

The spelling of 4633971881 in words is "four billion, six hundred thirty-three million, nine hundred seventy-one thousand, eight hundred eighty-one".