2728551381007 has 4 divisors (see below), whose sum is σ = 2729594009296. Its totient is φ = 2727508752720.

The previous prime is 2728551380981. The next prime is 2728551381013. The reversal of 2728551381007 is 7001831558272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2728551381007 - 2¹⁹ = 2728550856719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728551381047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521310219 + ... + 521315452.

It is an arithmetic number, because the mean of its divisors is an integer number (682398502324).

Almost surely, 2^{2728551381007} is an apocalyptic number.

2728551381007 is a deficient number, since it is larger than the sum of its proper divisors (1042628289).

2728551381007 is a wasteful number, since it uses less digits than its factorization.

2728551381007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042628288.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 2728551381007 in words is "two trillion, seven hundred twenty-eight billion, five hundred fifty-one million, three hundred eighty-one thousand, seven".