2105747384704 has 64 divisors (see below), whose sum is σ = 4236342727680. Its totient is φ = 1042526822400.

The previous prime is 2105747384683. The next prime is 2105747384753. The reversal of 2105747384704 is 4074837475012.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14696449 + ... + 14839039.

It is an arithmetic number, because the mean of its divisors is an integer number (66192855120).

Almost surely, 2^{2105747384704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105747384704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118171363840).

2105747384704 is an abundant number, since it is smaller than the sum of its proper divisors (2130595342976).

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

2105747384704 is a wasteful number, since it uses less digits than its factorization.

2105747384704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143739 (or 143727 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 2105747384704 in words is "two trillion, one hundred five billion, seven hundred forty-seven million, three hundred eighty-four thousand, seven hundred four".