13282442181 has 16 divisors (see below), whose sum is σ = 19685232000. Its totient is φ = 8851568544.

The previous prime is 13282442167. The next prime is 13282442189. The reversal of 13282442181 is 18124428231.

13282442181 is a `hidden beast` number, since 1 + 32 + 8 + 2 + 442 + 181 = 666.

It is not a de Polignac number, because 13282442181 - 2¹⁷ = 13282311109 is a prime.

It is a super-2 number, since 2×13282442181² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13282442189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21456 + ... + 164393.

It is an arithmetic number, because the mean of its divisors is an integer number (1230327000).

Almost surely, 2^13282442181 is an apocalyptic number.

It is an amenable number.

13282442181 is a deficient number, since it is larger than the sum of its proper divisors (6402789819).

13282442181 is a wasteful number, since it uses less digits than its factorization.

13282442181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188505 (or 188499 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The spelling of 13282442181 in words is "thirteen billion, two hundred eighty-two million, four hundred forty-two thousand, one hundred eighty-one".