2028271317187 has 2 divisors, whose sum is σ = 2028271317188. Its totient is φ = 2028271317186.

The previous prime is 2028271317151. The next prime is 2028271317257. The reversal of 2028271317187 is 7817131728202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028271317187 - 2¹¹ = 2028271315139 is a prime.

It is a super-2 number, since 2×2028271317187² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028271317187.

It is not a weakly prime, because it can be changed into another prime (2028271347187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014135658593 + 1014135658594.

It is an arithmetic number, because the mean of its divisors is an integer number (1014135658594).

Almost surely, 2^{2028271317187} is an apocalyptic number.

2028271317187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028271317187 is an equidigital number, since it uses as much as digits as its factorization.

2028271317187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 526848, while the sum is 49.

The spelling of 2028271317187 in words is "two trillion, twenty-eight billion, two hundred seventy-one million, three hundred seventeen thousand, one hundred eighty-seven".