2409729912 has 112 divisors (see below), whose sum is σ = 6843010680. Its totient is φ = 795096000.

The previous prime is 2409729901. The next prime is 2409729919. The reversal of 2409729912 is 2199279042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409729919) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 586987 + ... + 591077.

Almost surely, 2^2409729912 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 2409729912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3421505340).

2409729912 is an abundant number, since it is smaller than the sum of its proper divisors (4433280768).

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

2409729912 is a wasteful number, since it uses less digits than its factorization.

2409729912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2409729912 is about 49088.9999083298. Note that the first 4 decimals coincide. The cubic root of 2409729912 is about 1340.6727727316.

The spelling of 2409729912 in words is "two billion, four hundred nine million, seven hundred twenty-nine thousand, nine hundred twelve".