2028271317249 has 16 divisors (see below), whose sum is σ = 2709950500224. Its totient is φ = 1349387596800.

The previous prime is 2028271317187. The next prime is 2028271317257. The reversal of 2028271317249 is 9427131728202.

It is not a de Polignac number, because 2028271317249 - 2¹¹ = 2028271315201 is a prime.

It is a super-2 number, since 2×2028271317249² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028271317198 and 2028271317207.

It is not an unprimeable number, because it can be changed into a prime (2028271317269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7450564 + ... + 7717994.

It is an arithmetic number, because the mean of its divisors is an integer number (169371906264).

Almost surely, 2^{2028271317249} is an apocalyptic number.

It is an amenable number.

2028271317249 is a deficient number, since it is larger than the sum of its proper divisors (681679182975).

2028271317249 is a wasteful number, since it uses less digits than its factorization.

2028271317249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272648.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 2028271317249 in words is "two trillion, twenty-eight billion, two hundred seventy-one million, three hundred seventeen thousand, two hundred forty-nine".