2109318364 has 24 divisors (see below), whose sum is σ = 4019576400. Its totient is φ = 964696320.

The previous prime is 2109318361. The next prime is 2109318371. The reversal of 2109318364 is 4638139012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109318361) 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 7 ways as a sum of consecutive naturals, for example, 476317 + ... + 480724.

It is an arithmetic number, because the mean of its divisors is an integer number (167482350).

Almost surely, 2^2109318364 is an apocalyptic number.

It is an amenable number.

2109318364 is a deficient number, since it is larger than the sum of its proper divisors (1910258036).

2109318364 is a wasteful number, since it uses less digits than its factorization.

2109318364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957093 (or 957091 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2109318364 is about 45927.3160983744. The cubic root of 2109318364 is about 1282.4704818369.

The spelling of 2109318364 in words is "two billion, one hundred nine million, three hundred eighteen thousand, three hundred sixty-four".