2728928912 has 20 divisors (see below), whose sum is σ = 5290256640. Its totient is φ = 1363701408.

The previous prime is 2728928911. The next prime is 2728928953. The reversal of 2728928912 is 2198298272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2728928911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17612 + ... + 75947.

It is an arithmetic number, because the mean of its divisors is an integer number (264512832).

Almost surely, 2^2728928912 is an apocalyptic number.

It is an amenable number.

2728928912 is a deficient number, since it is larger than the sum of its proper divisors (2561327728).

2728928912 is a wasteful number, since it uses less digits than its factorization.

2728928912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95390 (or 95384 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 2728928912 is about 52239.1511416485. The cubic root of 2728928912 is about 1397.4321829007.

The spelling of 2728928912 in words is "two billion, seven hundred twenty-eight million, nine hundred twenty-eight thousand, nine hundred twelve".