2851728349 has 8 divisors (see below), whose sum is σ = 2880521280. Its totient is φ = 2822956896.

The previous prime is 2851728331. The next prime is 2851728377. The reversal of 2851728349 is 9438271582.

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

It is a cyclic number.

It is not a de Polignac number, because 2851728349 - 2¹⁷ = 2851597277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851728379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465297 + ... + 471385.

It is an arithmetic number, because the mean of its divisors is an integer number (360065160).

Almost surely, 2^2851728349 is an apocalyptic number.

It is an amenable number.

2851728349 is a deficient number, since it is larger than the sum of its proper divisors (28792931).

2851728349 is a wasteful number, since it uses less digits than its factorization.

2851728349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739.

The product of its digits is 967680, while the sum is 49.

The square root of 2851728349 is about 53401.5762782336. The cubic root of 2851728349 is about 1418.0864838041.

The spelling of 2851728349 in words is "two billion, eight hundred fifty-one million, seven hundred twenty-eight thousand, three hundred forty-nine".