2183474381 has 4 divisors (see below), whose sum is σ = 2381972064. Its totient is φ = 1984976700.

The previous prime is 2183474369. The next prime is 2183474401. The reversal of 2183474381 is 1834743812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2183474381 - 2¹⁸ = 2183212237 is a prime.

It is a super-2 number, since 2×2183474381² = 9535120744966666322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183474581) 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 3 ways as a sum of consecutive naturals, for example, 99248825 + ... + 99248846.

It is an arithmetic number, because the mean of its divisors is an integer number (595493016).

Almost surely, 2^2183474381 is an apocalyptic number.

It is an amenable number.

2183474381 is a deficient number, since it is larger than the sum of its proper divisors (198497683).

2183474381 is a wasteful number, since it uses less digits than its factorization.

2183474381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198497682.

The product of its digits is 129024, while the sum is 41.

The square root of 2183474381 is about 46727.6618396427. The cubic root of 2183474381 is about 1297.3267316144.

The spelling of 2183474381 in words is "two billion, one hundred eighty-three million, four hundred seventy-four thousand, three hundred eighty-one".