4078812189 has 8 divisors (see below), whose sum is σ = 5515013952. Its totient is φ = 2680909280.

The previous prime is 4078812187. The next prime is 4078812211. The reversal of 4078812189 is 9812188704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4078812189 - 2¹ = 4078812187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078812181) 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 7 ways as a sum of consecutive naturals, for example, 9574464 + ... + 9574889.

It is an arithmetic number, because the mean of its divisors is an integer number (689376744).

Almost surely, 2^4078812189 is an apocalyptic number.

It is an amenable number.

4078812189 is a deficient number, since it is larger than the sum of its proper divisors (1436201763).

4078812189 is a wasteful number, since it uses less digits than its factorization.

4078812189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19149427.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 4078812189 is about 63865.5790625905. The cubic root of 4078812189 is about 1597.7588660659.

The spelling of 4078812189 in words is "four billion, seventy-eight million, eight hundred twelve thousand, one hundred eighty-nine".