2183971383 has 16 divisors (see below), whose sum is σ = 3529651200. Its totient is φ = 1323618840.

The previous prime is 2183971381. The next prime is 2183971409. The reversal of 2183971383 is 3831793812.

It is a happy number.

2183971383 is a `hidden beast` number, since 2 + 183 + 97 + 1 + 383 = 666.

It is not a de Polignac number, because 2183971383 - 2¹ = 2183971381 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183971381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676423 + ... + 3677016.

It is an arithmetic number, because the mean of its divisors is an integer number (220603200).

Almost surely, 2^2183971383 is an apocalyptic number.

2183971383 is a deficient number, since it is larger than the sum of its proper divisors (1345679817).

2183971383 is a wasteful number, since it uses less digits than its factorization.

2183971383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353459 (or 7353453 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2183971383 is about 46732.9796075534. The cubic root of 2183971383 is about 1297.4251565637.

The spelling of 2183971383 in words is "two billion, one hundred eighty-three million, nine hundred seventy-one thousand, three hundred eighty-three".