18982256500089 has 12 divisors (see below), whose sum is σ = 27423239555556. Its totient is φ = 12652795538592.

The previous prime is 18982256500073. The next prime is 18982256500111. The reversal of 18982256500089 is 98000565228981.

18982256500089 is a `hidden beast` number, since 18 + 98 + 2 + 25 + 6 + 500 + 0 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14273321780025 + 4708934720064 = 3778005^2 + 2170008^2 .

It is not a de Polignac number, because 18982256500089 - 2⁴ = 18982256500073 is a prime.

It is a super-3 number, since 3×18982256500089³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18982256499999 and 18982256500035.

It is not an unprimeable number, because it can be changed into a prime (18982256500289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170118474 + ... + 170230019.

It is an arithmetic number, because the mean of its divisors is an integer number (2285269962963).

Almost surely, 2^{18982256500089} is an apocalyptic number.

It is an amenable number.

18982256500089 is a deficient number, since it is larger than the sum of its proper divisors (8440983055467).

18982256500089 is a wasteful number, since it uses less digits than its factorization.

18982256500089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340354696 (or 340354693 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 18982256500089 in words is "eighteen trillion, nine hundred eighty-two billion, two hundred fifty-six million, five hundred thousand, eighty-nine".