4194172844 has 18 divisors (see below), whose sum is σ = 7356287484. Its totient is φ = 2092386840.

The previous prime is 4194172837. The next prime is 4194172877. The reversal of 4194172844 is 4482714914.

It is a junction number, because it is equal to n+sod(n) for n = 4194172795 and 4194172804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993899 + ... + 998109.

It is an arithmetic number, because the mean of its divisors is an integer number (408682638).

Almost surely, 2^4194172844 is an apocalyptic number.

It is an amenable number.

4194172844 is a deficient number, since it is larger than the sum of its proper divisors (3162114640).

4194172844 is an equidigital number, since it uses as much as digits as its factorization.

4194172844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213 (or 4712 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 4194172844 is about 64762.4338949672. The cubic root of 4194172844 is about 1612.6821339770.

The spelling of 4194172844 in words is "four billion, one hundred ninety-four million, one hundred seventy-two thousand, eight hundred forty-four".