2108864593920 has 704 divisors, whose sum is σ = 7888779300096. Its totient is φ = 471104225280.

The previous prime is 2108864593903. The next prime is 2108864593931. The reversal of 2108864593920 is 293954688012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13432258482 + ... + 13432258638.

Almost surely, 2^{2108864593920} is an apocalyptic number.

2108864593920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108864593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3944389650048).

2108864593920 is an abundant number, since it is smaller than the sum of its proper divisors (5779914706176).

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

2108864593920 is an frugal number, since it uses more digits than its factorization.

2108864593920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 2108864593920 in words is "two trillion, one hundred eight billion, eight hundred sixty-four million, five hundred ninety-three thousand, nine hundred twenty".