2649841329 has 8 divisors (see below), whose sum is σ = 3535179232. Its totient is φ = 1765532160.

The previous prime is 2649841319. The next prime is 2649841333. The reversal of 2649841329 is 9231489462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2649841329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2649841319) 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, 251152 + ... + 261489.

It is an arithmetic number, because the mean of its divisors is an integer number (441897404).

Almost surely, 2^2649841329 is an apocalyptic number.

It is an amenable number.

2649841329 is a deficient number, since it is larger than the sum of its proper divisors (885337903).

2649841329 is a wasteful number, since it uses less digits than its factorization.

2649841329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514367.

The product of its digits is 746496, while the sum is 48.

The square root of 2649841329 is about 51476.6095328742. The cubic root of 2649841329 is about 1383.7998838110.

The spelling of 2649841329 in words is "two billion, six hundred forty-nine million, eight hundred forty-one thousand, three hundred twenty-nine".