2909834442 has 40 divisors (see below), whose sum is σ = 6584777892. Its totient is φ = 960336000.

The previous prime is 2909834429. The next prime is 2909834453. The reversal of 2909834442 is 2444389092.

It is a happy number.

2909834442 is a `hidden beast` number, since 2 + 90 + 98 + 34 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2595800601 + 314033841 = 50949^2 + 17721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72559 + ... + 105282.

Almost surely, 2^2909834442 is an apocalyptic number.

2909834442 is an abundant number, since it is smaller than the sum of its proper divisors (3674943450).

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

2909834442 is a wasteful number, since it uses less digits than its factorization.

2909834442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177956 (or 177947 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2909834442 is about 53942.8812912325. The cubic root of 2909834442 is about 1427.6533213227.

The spelling of 2909834442 in words is "two billion, nine hundred nine million, eight hundred thirty-four thousand, four hundred forty-two".