2909533939 has 4 divisors (see below), whose sum is σ = 3133344256. Its totient is φ = 2685723624.

The previous prime is 2909533937. The next prime is 2909533993. The reversal of 2909533939 is 9393359092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2909533939 - 2¹ = 2909533937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2909533937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111905139 + ... + 111905164.

It is an arithmetic number, because the mean of its divisors is an integer number (783336064).

Almost surely, 2^2909533939 is an apocalyptic number.

2909533939 is a deficient number, since it is larger than the sum of its proper divisors (223810317).

2909533939 is a wasteful number, since it uses less digits than its factorization.

2909533939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223810316.

The product of its (nonzero) digits is 1771470, while the sum is 52.

The square root of 2909533939 is about 53940.0958378830. The cubic root of 2909533939 is about 1427.6041743255.

The spelling of 2909533939 in words is "two billion, nine hundred nine million, five hundred thirty-three thousand, nine hundred thirty-nine".