2193340480489 has 4 divisors (see below), whose sum is σ = 2193408889924. Its totient is φ = 2193272071056.

The previous prime is 2193340480433. The next prime is 2193340480543. The reversal of 2193340480489 is 9840840433912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1247224371264 + 946116109225 = 1116792^2 + 972685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193340480489 - 2³³ = 2184750545897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193340481489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34156602 + ... + 34220755.

It is an arithmetic number, because the mean of its divisors is an integer number (548352222481).

Almost surely, 2^{2193340480489} is an apocalyptic number.

It is an amenable number.

2193340480489 is a deficient number, since it is larger than the sum of its proper divisors (68409435).

2193340480489 is an equidigital number, since it uses as much as digits as its factorization.

2193340480489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68409434.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 2193340480489 in words is "two trillion, one hundred ninety-three billion, three hundred forty million, four hundred eighty thousand, four hundred eighty-nine".