2728551380745 has 8 divisors (see below), whose sum is σ = 4365682209216. Its totient is φ = 1455227403056.

The previous prime is 2728551380701. The next prime is 2728551380747. The reversal of 2728551380745 is 5470831558272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2728551380745 - 2¹⁰ = 2728551379721 is a prime.

It is a super-3 number, since 3×2728551380745³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2728551380747) 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 7 ways as a sum of consecutive naturals, for example, 90951712677 + ... + 90951712706.

It is an arithmetic number, because the mean of its divisors is an integer number (545710276152).

Almost surely, 2^{2728551380745} is an apocalyptic number.

It is an amenable number.

2728551380745 is a deficient number, since it is larger than the sum of its proper divisors (1637130828471).

2728551380745 is a wasteful number, since it uses less digits than its factorization.

2728551380745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181903425391.

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 2728551380745 in words is "two trillion, seven hundred twenty-eight billion, five hundred fifty-one million, three hundred eighty thousand, seven hundred forty-five".