2009949294 has 16 divisors (see below), whose sum is σ = 4149573120. Its totient is φ = 648370680.

The previous prime is 2009949289. The next prime is 2009949299. The reversal of 2009949294 is 4929499002.

It is an interprime number because it is at equal distance from previous prime (2009949289) and next prime (2009949299).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009949299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402904 + ... + 5403275.

It is an arithmetic number, because the mean of its divisors is an integer number (259348320).

Almost surely, 2^2009949294 is an apocalyptic number.

2009949294 is an abundant number, since it is smaller than the sum of its proper divisors (2139623826).

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

2009949294 is a wasteful number, since it uses less digits than its factorization.

2009949294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806215.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 2009949294 is about 44832.4580410220. The cubic root of 2009949294 is about 1262.0068158827.

The spelling of 2009949294 in words is "two billion, nine million, nine hundred forty-nine thousand, two hundred ninety-four".