2728271725009 has 4 divisors (see below), whose sum is σ = 2846892234816. Its totient is φ = 2609651215204.

The previous prime is 2728271725007. The next prime is 2728271725061. The reversal of 2728271725009 is 9005271728272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2728271725009 - 2¹ = 2728271725007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728271725007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59310254869 + ... + 59310254914.

It is an arithmetic number, because the mean of its divisors is an integer number (711723058704).

Almost surely, 2^{2728271725009} is an apocalyptic number.

It is an amenable number.

2728271725009 is a deficient number, since it is larger than the sum of its proper divisors (118620509807).

2728271725009 is a wasteful number, since it uses less digits than its factorization.

2728271725009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118620509806.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 2728271725009 in words is "two trillion, seven hundred twenty-eight billion, two hundred seventy-one million, seven hundred twenty-five thousand, nine".