2109860334144 has 84 divisors (see below), whose sum is σ = 6079196497920. Its totient is φ = 699604611840.

The previous prime is 2109860334133. The next prime is 2109860334167. The reversal of 2109860334144 is 4414330689012.

2109860334144 is a `hidden beast` number, since 2 + 1 + 0 + 9 + 8 + 603 + 34 + 1 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2109860334144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9478864 + ... + 9698895.

It is an arithmetic number, because the mean of its divisors is an integer number (72371386880).

Almost surely, 2^{2109860334144} is an apocalyptic number.

2109860334144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2109860334144 is an abundant number, since it is smaller than the sum of its proper divisors (3969336163776).

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

2109860334144 is a wasteful number, since it uses less digits than its factorization.

2109860334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177968 (or 19177955 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 2109860334144 in words is "two trillion, one hundred nine billion, eight hundred sixty million, three hundred thirty-four thousand, one hundred forty-four".