6168442489 has 8 divisors (see below), whose sum is σ = 6730045632. Its totient is φ = 5606978640.

The previous prime is 6168442487. The next prime is 6168442513. The reversal of 6168442489 is 9842448616.

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 6168442489 - 2¹ = 6168442487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6168442487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72052 + ... + 132394.

It is an arithmetic number, because the mean of its divisors is an integer number (841255704).

Almost surely, 2^6168442489 is an apocalyptic number.

It is an amenable number.

6168442489 is a deficient number, since it is larger than the sum of its proper divisors (561603143).

6168442489 is a wasteful number, since it uses less digits than its factorization.

6168442489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69647.

The product of its digits is 2654208, while the sum is 52.

The square root of 6168442489 is about 78539.4327010324. The cubic root of 6168442489 is about 1833.9683647796.

The spelling of 6168442489 in words is "six billion, one hundred sixty-eight million, four hundred forty-two thousand, four hundred eighty-nine".