2109213294 has 16 divisors (see below), whose sum is σ = 4440449280. Its totient is φ = 666067320.

The previous prime is 2109213277. The next prime is 2109213319. The reversal of 2109213294 is 4923129012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250822 + ... + 9251049.

It is an arithmetic number, because the mean of its divisors is an integer number (277528080).

Almost surely, 2^2109213294 is an apocalyptic number.

2109213294 is an abundant number, since it is smaller than the sum of its proper divisors (2331235986).

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

2109213294 is a wasteful number, since it uses less digits than its factorization.

2109213294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501895.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2109213294 is about 45926.1722114961. The cubic root of 2109213294 is about 1282.4491872150.

The spelling of 2109213294 in words is "two billion, one hundred nine million, two hundred thirteen thousand, two hundred ninety-four".