2381656181283 has 12 divisors (see below), whose sum is σ = 3440183733480. Its totient is φ = 1587764467296.

The previous prime is 2381656181249. The next prime is 2381656181309. The reversal of 2381656181283 is 3821816561832.

2381656181283 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 6 + 5 + 618 + 12 + 8 + 3 = 666.

It is not a de Polignac number, because 2381656181283 - 2¹⁰ = 2381656180259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2381656181083) 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 11 ways as a sum of consecutive naturals, for example, 3403303 + ... + 4042991.

It is an arithmetic number, because the mean of its divisors is an integer number (286681977790).

Almost surely, 2^{2381656181283} is an apocalyptic number.

2381656181283 is a deficient number, since it is larger than the sum of its proper divisors (1058527552197).

2381656181283 is a wasteful number, since it uses less digits than its factorization.

2381656181283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053378 (or 1053375 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 2381656181283 in words is "two trillion, three hundred eighty-one billion, six hundred fifty-six million, one hundred eighty-one thousand, two hundred eighty-three".