2109209296 has 40 divisors (see below), whose sum is σ = 4303474560. Its totient is φ = 999478656.

The previous prime is 2109209257. The next prime is 2109209321. The reversal of 2109209296 is 6929029012.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 13821 + ... + 66403.

It is an arithmetic number, because the mean of its divisors is an integer number (107586864).

Almost surely, 2^2109209296 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 2109209296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151737280).

2109209296 is an abundant number, since it is smaller than the sum of its proper divisors (2194265264).

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

2109209296 is a wasteful number, since it uses less digits than its factorization.

2109209296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52723 (or 52717 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2109209296 is about 45926.1286850960. The cubic root of 2109209296 is about 1282.4483769232.

The spelling of 2109209296 in words is "two billion, one hundred nine million, two hundred nine thousand, two hundred ninety-six".