4191799922 has 18 divisors (see below), whose sum is σ = 6681802503. Its totient is φ = 1971879232.

The previous prime is 4191799889. The next prime is 4191799999. The reversal of 4191799922 is 2299971914.

It can be written as a sum of positive squares in 5 ways, for example, as 2932330801 + 1259469121 = 54151^2 + 35489^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45781.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 1555208 + ... + 1557900.

Almost surely, 2^4191799922 is an apocalyptic number.

4191799922 is a deficient number, since it is larger than the sum of its proper divisors (2490002581).

4191799922 is an frugal number, since it uses more digits than its factorization.

4191799922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422 (or 2712 counting only the distinct ones).

The product of its digits is 734832, while the sum is 53.

The square root of 4191799922 is about 64744.1110990027. Note that the first 3 decimals coincide. The cubic root of 4191799922 is about 1612.3779428234.

The spelling of 4191799922 in words is "four billion, one hundred ninety-one million, seven hundred ninety-nine thousand, nine hundred twenty-two".