4189809885 has 64 divisors (see below), whose sum is σ = 7468360704. Its totient is φ = 1996185600.

The previous prime is 4189809797. The next prime is 4189809917. The reversal of 4189809885 is 5889089814.

It is a de Polignac number, because none of the positive numbers 2^k-4189809885 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381420 + ... + 392250.

It is an arithmetic number, because the mean of its divisors is an integer number (116693136).

Almost surely, 2^4189809885 is an apocalyptic number.

It is an amenable number.

4189809885 is a deficient number, since it is larger than the sum of its proper divisors (3278550819).

4189809885 is a wasteful number, since it uses less digits than its factorization.

4189809885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934.

The product of its (nonzero) digits is 6635520, while the sum is 60.

The square root of 4189809885 is about 64728.7407957238. The cubic root of 4189809885 is about 1612.1227461912.

The spelling of 4189809885 in words is "four billion, one hundred eighty-nine million, eight hundred nine thousand, eight hundred eighty-five".