2108769206544 has 1440 divisors, whose sum is σ = 8784918979200. Its totient is φ = 462349762560.

The previous prime is 2108769206483. The next prime is 2108769206587. The reversal of 2108769206544 is 4456029678012.

2108769206544 is a `hidden beast` number, since 2 + 1 + 0 + 8 + 7 + 6 + 92 + 0 + 6 + 544 = 666.

It is a super-2 number, since 2×2108769206544² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 555961512 + ... + 555965304.

It is an arithmetic number, because the mean of its divisors is an integer number (6100638180).

Almost surely, 2^{2108769206544} is an apocalyptic number.

2108769206544 is a gapful number since it is divisible by the number (24) 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 2108769206544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4392459489600).

2108769206544 is an abundant number, since it is smaller than the sum of its proper divisors (6676149772656).

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

2108769206544 is a wasteful number, since it uses less digits than its factorization.

2108769206544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 2108769206544 in words is "two trillion, one hundred eight billion, seven hundred sixty-nine million, two hundred six thousand, five hundred forty-four".