4194231728 has 10 divisors (see below), whose sum is σ = 8126324004. Its totient is φ = 2097115856.

The previous prime is 4194231683. The next prime is 4194231733. The reversal of 4194231728 is 8271324914.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131069726 + ... + 131069757.

Almost surely, 2^4194231728 is an apocalyptic number.

It is an amenable number.

4194231728 is a deficient number, since it is larger than the sum of its proper divisors (3932092276).

4194231728 is a wasteful number, since it uses less digits than its factorization.

4194231728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262139491 (or 262139485 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 4194231728 is about 64762.8885087748. Note that the first 3 decimals coincide. The cubic root of 4194231728 is about 1612.6896810138.

The spelling of 4194231728 in words is "four billion, one hundred ninety-four million, two hundred thirty-one thousand, seven hundred twenty-eight".