2028135250471 has 12 divisors (see below), whose sum is σ = 2229899832216. Its totient is φ = 1843240580720.

The previous prime is 2028135250459. The next prime is 2028135250501. The reversal of 2028135250471 is 1740525318202.

It is a de Polignac number, because none of the positive numbers 2^k-2028135250471 is a prime.

It is a super-3 number, since 3×2028135250471³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028135250441) 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 11 ways as a sum of consecutive naturals, for example, 1925725 + ... + 2786518.

It is an arithmetic number, because the mean of its divisors is an integer number (185824986018).

Almost surely, 2^{2028135250471} is an apocalyptic number.

2028135250471 is a deficient number, since it is larger than the sum of its proper divisors (201764581745).

2028135250471 is a wasteful number, since it uses less digits than its factorization.

2028135250471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715822 (or 4715811 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 2028135250471 in words is "two trillion, twenty-eight billion, one hundred thirty-five million, two hundred fifty thousand, four hundred seventy-one".