4391279189 has 8 divisors (see below), whose sum is σ = 4791355968. Its totient is φ = 3991347360.

The previous prime is 4391279173. The next prime is 4391279201. The reversal of 4391279189 is 9819721934.

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

It is not a de Polignac number, because 4391279189 - 2⁴ = 4391279173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4391279189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391279159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32849 + ... + 99305.

It is an arithmetic number, because the mean of its divisors is an integer number (598919496).

Almost surely, 2^4391279189 is an apocalyptic number.

It is an amenable number.

4391279189 is a deficient number, since it is larger than the sum of its proper divisors (400076779).

4391279189 is a wasteful number, since it uses less digits than its factorization.

4391279189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72475.

The product of its digits is 979776, while the sum is 53.

The square root of 4391279189 is about 66266.7276165045. The cubic root of 4391279189 is about 1637.5592273044.

The spelling of 4391279189 in words is "four billion, three hundred ninety-one million, two hundred seventy-nine thousand, one hundred eighty-nine".