2128835182563 has 12 divisors (see below), whose sum is σ = 3236825424040. Its totient is φ = 1344527483616.

The previous prime is 2128835182493. The next prime is 2128835182567. The reversal of 2128835182563 is 3652815388212.

It is a happy number.

2128835182563 is a `hidden beast` number, since 2 + 1 + 28 + 8 + 3 + 51 + 8 + 2 + 563 = 666.

It is not a de Polignac number, because 2128835182563 - 2⁹ = 2128835182051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128835182567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6224664106 + ... + 6224664447.

Almost surely, 2^{2128835182563} is an apocalyptic number.

2128835182563 is a deficient number, since it is larger than the sum of its proper divisors (1107990241477).

2128835182563 is a wasteful number, since it uses less digits than its factorization.

2128835182563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449328578 (or 12449328575 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 2128835182563 in words is "two trillion, one hundred twenty-eight billion, eight hundred thirty-five million, one hundred eighty-two thousand, five hundred sixty-three".