4881643685 has 16 divisors (see below), whose sum is σ = 6169089600. Its totient is φ = 3698090496.

The previous prime is 4881643661. The next prime is 4881643691. The reversal of 4881643685 is 5863461884.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4881643685 - 2⁶ = 4881643621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 223157 + ... + 244053.

It is an arithmetic number, because the mean of its divisors is an integer number (385568100).

Almost surely, 2^4881643685 is an apocalyptic number.

It is an amenable number.

4881643685 is a deficient number, since it is larger than the sum of its proper divisors (1287445915).

4881643685 is a wasteful number, since it uses less digits than its factorization.

4881643685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380.

The product of its digits is 4423680, while the sum is 53.

The square root of 4881643685 is about 69868.7604369793. The cubic root of 4881643685 is about 1696.3756330829.

The spelling of 4881643685 in words is "four billion, eight hundred eighty-one million, six hundred forty-three thousand, six hundred eighty-five".