2909941689 has 16 divisors (see below), whose sum is σ = 3907576832. Its totient is φ = 1926157968.

The previous prime is 2909941681. The next prime is 2909941711. The reversal of 2909941689 is 9861499092.

It is not a de Polignac number, because 2909941689 - 2³ = 2909941681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2909941681) 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 15 ways as a sum of consecutive naturals, for example, 634884 + ... + 639450.

It is an arithmetic number, because the mean of its divisors is an integer number (244223552).

Almost surely, 2^2909941689 is an apocalyptic number.

It is an amenable number.

2909941689 is a deficient number, since it is larger than the sum of its proper divisors (997635143).

2909941689 is a wasteful number, since it uses less digits than its factorization.

2909941689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 2909941689 is about 53943.8753613420. The cubic root of 2909941689 is about 1427.6708606544.

The spelling of 2909941689 in words is "two billion, nine hundred nine million, nine hundred forty-one thousand, six hundred eighty-nine".