2728885293 has 6 divisors (see below), whose sum is σ = 3941723214. Its totient is φ = 1819256856.

The previous prime is 2728885273. The next prime is 2728885331. The reversal of 2728885293 is 3925888272.

It is a happy number.

2728885293 is a `hidden beast` number, since 272 + 8 + 8 + 85 + 293 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2467804329 + 261080964 = 49677^2 + 16158^2 .

It is not a de Polignac number, because 2728885293 - 2⁸ = 2728885037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728885223) 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 5 ways as a sum of consecutive naturals, for example, 151604730 + ... + 151604747.

It is an arithmetic number, because the mean of its divisors is an integer number (656953869).

Almost surely, 2^2728885293 is an apocalyptic number.

It is an amenable number.

2728885293 is a deficient number, since it is larger than the sum of its proper divisors (1212837921).

2728885293 is a wasteful number, since it uses less digits than its factorization.

2728885293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303209483 (or 303209480 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 2728885293 is about 52238.7336465960. The cubic root of 2728885293 is about 1397.4247373764.

The spelling of 2728885293 in words is "two billion, seven hundred twenty-eight million, eight hundred eighty-five thousand, two hundred ninety-three".