2728052549 has 8 divisors (see below), whose sum is σ = 2774023392. Its totient is φ = 2682393840.

The previous prime is 2728052539. The next prime is 2728052557. The reversal of 2728052549 is 9452508272.

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 2728052549 - 2⁸ = 2728052293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728052519) 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, 60374 + ... + 95399.

It is an arithmetic number, because the mean of its divisors is an integer number (346752924).

Almost surely, 2^2728052549 is an apocalyptic number.

It is an amenable number.

2728052549 is a deficient number, since it is larger than the sum of its proper divisors (45970843).

2728052549 is a wasteful number, since it uses less digits than its factorization.

2728052549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156067.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2728052549 is about 52230.7624776817. The cubic root of 2728052549 is about 1397.2825773206.

The spelling of 2728052549 in words is "two billion, seven hundred twenty-eight million, fifty-two thousand, five hundred forty-nine".