4193688849 has 16 divisors (see below), whose sum is σ = 6391884672. Its totient is φ = 2395830528.

The previous prime is 4193688841. The next prime is 4193688859. The reversal of 4193688849 is 9488863914.

It is not a de Polignac number, because 4193688849 - 2³ = 4193688841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4193688792 and 4193688801.

It is not an unprimeable number, because it can be changed into a prime (4193688841) by changing a digit.

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, 78297 + ... + 120489.

It is an arithmetic number, because the mean of its divisors is an integer number (399492792).

Almost surely, 2^4193688849 is an apocalyptic number.

It is an amenable number.

4193688849 is a deficient number, since it is larger than the sum of its proper divisors (2198195823).

4193688849 is a wasteful number, since it uses less digits than its factorization.

4193688849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46936.

The product of its digits is 11943936, while the sum is 60.

The square root of 4193688849 is about 64758.6970915876. The cubic root of 4193688849 is about 1612.6200986926.

The spelling of 4193688849 in words is "four billion, one hundred ninety-three million, six hundred eighty-eight thousand, eight hundred forty-nine".