2109391024 has 40 divisors (see below), whose sum is σ = 4404839600. Its totient is φ = 972787968.

The previous prime is 2109391021. The next prime is 2109391033. The reversal of 2109391024 is 4201939012.

It is not an unprimeable number, because it can be changed into a prime (2109391021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318919 + ... + 325465.

It is an arithmetic number, because the mean of its divisors is an integer number (110120990).

Almost surely, 2^2109391024 is an apocalyptic number.

It is an amenable number.

2109391024 is an abundant number, since it is smaller than the sum of its proper divisors (2295448576).

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

2109391024 is a wasteful number, since it uses less digits than its factorization.

2109391024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117 (or 8111 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2109391024 is about 45928.1071240695. The cubic root of 2109391024 is about 1282.4852074843.

The spelling of 2109391024 in words is "two billion, one hundred nine million, three hundred ninety-one thousand, twenty-four".