2108919071000 has 128 divisors (see below), whose sum is σ = 5971608489600. Its totient is φ = 680525107200.

The previous prime is 2108919070967. The next prime is 2108919071009. The reversal of 2108919071000 is 1709198012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108919071009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8742005 + ... + 8980004.

It is an arithmetic number, because the mean of its divisors is an integer number (46653191325).

Almost surely, 2^{2108919071000} is an apocalyptic number.

2108919071000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108919071000 is an abundant number, since it is smaller than the sum of its proper divisors (3862689418600).

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

2108919071000 is a wasteful number, since it uses less digits than its factorization.

2108919071000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17722054 (or 17722040 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 2108919071000 in words is "two trillion, one hundred eight billion, nine hundred nineteen million, seventy-one thousand".