2982909409 has 4 divisors (see below), whose sum is σ = 2983020804. Its totient is φ = 2982798016.

The previous prime is 2982909407. The next prime is 2982909421. The reversal of 2982909409 is 9049092892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1290821184 + 1692088225 = 35928^2 + 41135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2982909409 - 2¹ = 2982909407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2982909407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11469 + ... + 78085.

It is an arithmetic number, because the mean of its divisors is an integer number (745755201).

Almost surely, 2^2982909409 is an apocalyptic number.

It is an amenable number.

2982909409 is a deficient number, since it is larger than the sum of its proper divisors (111395).

2982909409 is an equidigital number, since it uses as much as digits as its factorization.

2982909409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111394.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 2982909409 is about 54616.0178793731. The cubic root of 2982909409 is about 1439.5055865998.

The spelling of 2982909409 in words is "two billion, nine hundred eighty-two million, nine hundred nine thousand, four hundred nine".