2189748975589 has 8 divisors (see below), whose sum is σ = 2502579287168. Its totient is φ = 1876920921360.

The previous prime is 2189748975581. The next prime is 2189748975611. The reversal of 2189748975589 is 9855798479812.

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 2189748975589 - 2³ = 2189748975581 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 (2189748975581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104344 + ... + 3743854.

It is an arithmetic number, because the mean of its divisors is an integer number (312822410896).

Almost surely, 2^{2189748975589} is an apocalyptic number.

It is an amenable number.

2189748975589 is a deficient number, since it is larger than the sum of its proper divisors (312830311579).

2189748975589 is an equidigital number, since it uses as much as digits as its factorization.

2189748975589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128675.

The product of its digits is 3657830400, while the sum is 82.

The spelling of 2189748975589 in words is "two trillion, one hundred eighty-nine billion, seven hundred forty-eight million, nine hundred seventy-five thousand, five hundred eighty-nine".