2728594889604 has 36 divisors (see below), whose sum is σ = 7010351721100. Its totient is φ = 894621274560.

The previous prime is 2728594889519. The next prime is 2728594889609. The reversal of 2728594889604 is 4069884958272.

2728594889604 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 5 + 9 + 4 + 8 + 8 + 9 + 604 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31616396100 + 2696978493504 = 177810^2 + 1642248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2728594889609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621262579 + ... + 621266970.

Almost surely, 2^{2728594889604} is an apocalyptic number.

It is an amenable number.

2728594889604 is an abundant number, since it is smaller than the sum of its proper divisors (4281756831496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728594889604 is a wasteful number, since it uses less digits than its factorization.

2728594889604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242529620 (or 1242529615 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 2728594889604 in words is "two trillion, seven hundred twenty-eight billion, five hundred ninety-four million, eight hundred eighty-nine thousand, six hundred four".