4194437189 has 4 divisors (see below), whose sum is σ = 4194608256. Its totient is φ = 4194266124.

The previous prime is 4194437167. The next prime is 4194437197. The reversal of 4194437189 is 9817344914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4194437189 - 2¹⁶ = 4194371653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194437789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41039 + ... + 100364.

It is an arithmetic number, because the mean of its divisors is an integer number (1048652064).

Almost surely, 2^4194437189 is an apocalyptic number.

It is an amenable number.

4194437189 is a deficient number, since it is larger than the sum of its proper divisors (171067).

4194437189 is a wasteful number, since it uses less digits than its factorization.

4194437189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171066.

The product of its digits is 870912, while the sum is 50.

The square root of 4194437189 is about 64764.4747450329. The cubic root of 4194437189 is about 1612.7160139591.

The spelling of 4194437189 in words is "four billion, one hundred ninety-four million, four hundred thirty-seven thousand, one hundred eighty-nine".