2209773798589 has 6 divisors (see below), whose sum is σ = 2570553194334. Its totient is φ = 1894091827320.

The previous prime is 2209773798541. The next prime is 2209773798607. The reversal of 2209773798589 is 9858973779022.

It can be written as a sum of positive squares in only one way, i.e., 1878640303225 + 331133495364 = 1370635^2 + 575442^2 .

It is not a de Polignac number, because 2209773798589 - 2¹¹ = 2209773796541 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 (2209773798539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22548712182 + ... + 22548712279.

It is an arithmetic number, because the mean of its divisors is an integer number (428425532389).

Almost surely, 2^{2209773798589} is an apocalyptic number.

It is an amenable number.

2209773798589 is a deficient number, since it is larger than the sum of its proper divisors (360779395745).

2209773798589 is an equidigital number, since it uses as much as digits as its factorization.

2209773798589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45097424475 (or 45097424468 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 76.

The spelling of 2209773798589 in words is "two trillion, two hundred nine billion, seven hundred seventy-three million, seven hundred ninety-eight thousand, five hundred eighty-nine".