2109308388174 has 48 divisors (see below), whose sum is σ = 5091434056800. Its totient is φ = 626638033728.

The previous prime is 2109308388151. The next prime is 2109308388179. The reversal of 2109308388174 is 4718838039012.

It is a happy number.

2109308388174 is a `hidden beast` number, since 2 + 1 + 0 + 93 + 0 + 8 + 388 + 174 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2109308388174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109308388179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155409394 + ... + 155422965.

It is an arithmetic number, because the mean of its divisors is an integer number (106071542850).

Almost surely, 2^{2109308388174} is an apocalyptic number.

2109308388174 is an abundant number, since it is smaller than the sum of its proper divisors (2982125668626).

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

2109308388174 is a wasteful number, since it uses less digits than its factorization.

2109308388174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310832409 (or 310832406 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

It can be divided in two parts, 210930838 and 8174, that added together give a palindrome (210939012).

The spelling of 2109308388174 in words is "two trillion, one hundred nine billion, three hundred eight million, three hundred eighty-eight thousand, one hundred seventy-four".