2028271317247 has 4 divisors (see below), whose sum is σ = 2318024362576. Its totient is φ = 1738518271920.

The previous prime is 2028271317187. The next prime is 2028271317257. The reversal of 2028271317247 is 7427131728202.

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 2028271317247 - 2³⁹ = 1478515503359 is a prime.

It is a super-2 number, since 2×2028271317247² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2028271317197 and 2028271317206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028271317257) 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, 144876522654 + ... + 144876522667.

It is an arithmetic number, because the mean of its divisors is an integer number (579506090644).

Almost surely, 2^{2028271317247} is an apocalyptic number.

2028271317247 is a deficient number, since it is larger than the sum of its proper divisors (289753045329).

2028271317247 is an equidigital number, since it uses as much as digits as its factorization.

2028271317247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289753045328.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 2028271317247 in words is "two trillion, twenty-eight billion, two hundred seventy-one million, three hundred seventeen thousand, two hundred forty-seven".