2089719009798 has 96 divisors (see below), whose sum is σ = 5041985506560. Its totient is φ = 565541870400.

The previous prime is 2089719009797. The next prime is 2089719009857. The reversal of 2089719009798 is 8979009179802.

It is a super-2 number, since 2×2089719009798² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089719009797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177404673 + ... + 177416451.

It is an arithmetic number, because the mean of its divisors is an integer number (52520682360).

Almost surely, 2^{2089719009798} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089719009798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520992753280).

2089719009798 is an abundant number, since it is smaller than the sum of its proper divisors (2952266496762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089719009798 is a wasteful number, since it uses less digits than its factorization.

2089719009798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23530 (or 23511 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 69.

The spelling of 2089719009798 in words is "two trillion, eighty-nine billion, seven hundred nineteen million, nine thousand, seven hundred ninety-eight".