2183820641 has 2 divisors, whose sum is σ = 2183820642. Its totient is φ = 2183820640.

The previous prime is 2183820599. The next prime is 2183820649. The reversal of 2183820641 is 1460283812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088855616 + 94965025 = 45704^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183820641 - 2⁶ = 2183820577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2183820649) 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 as a sum of consecutive naturals, namely, 1091910320 + 1091910321.

It is an arithmetic number, because the mean of its divisors is an integer number (1091910321).

Almost surely, 2^2183820641 is an apocalyptic number.

It is an amenable number.

2183820641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183820641 is an equidigital number, since it uses as much as digits as its factorization.

2183820641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2183820641 is about 46731.3667786424. The cubic root of 2183820641 is about 1297.3953055982.

The spelling of 2183820641 in words is "two billion, one hundred eighty-three million, eight hundred twenty thousand, six hundred forty-one".