2149344306 has 48 divisors (see below), whose sum is σ = 4941316224. Its totient is φ = 672872832.

The previous prime is 2149344283. The next prime is 2149344343. The reversal of 2149344306 is 6034439412.

It is a happy number.

2149344306 is a `hidden beast` number, since 2 + 1 + 4 + 9 + 344 + 306 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141811 + ... + 156233.

It is an arithmetic number, because the mean of its divisors is an integer number (102944088).

Almost surely, 2^2149344306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149344306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470658112).

2149344306 is an abundant number, since it is smaller than the sum of its proper divisors (2791971918).

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

2149344306 is a wasteful number, since it uses less digits than its factorization.

2149344306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14935 (or 14932 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2149344306 is about 46361.0214080751. The cubic root of 2149344306 is about 1290.5316611465.

The spelling of 2149344306 in words is "two billion, one hundred forty-nine million, three hundred forty-four thousand, three hundred six".