2163602041 has 4 divisors (see below), whose sum is σ = 2164749300. Its totient is φ = 2162454784.

The previous prime is 2163602009. The next prime is 2163602059. The reversal of 2163602041 is 1402063612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 555592041 + 1608010000 = 23571^2 + 40100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163602041 - 2⁵ = 2163602009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163601997 and 2163602015.

It is not an unprimeable number, because it can be changed into a prime (2163672041) 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 3 ways as a sum of consecutive naturals, for example, 570796 + ... + 574573.

It is an arithmetic number, because the mean of its divisors is an integer number (541187325).

Almost surely, 2^2163602041 is an apocalyptic number.

It is an amenable number.

2163602041 is a deficient number, since it is larger than the sum of its proper divisors (1147259).

2163602041 is a wasteful number, since it uses less digits than its factorization.

2163602041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147258.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2163602041 is about 46514.5358033379. The cubic root of 2163602041 is about 1293.3789670118.

Adding to 2163602041 its reverse (1402063612), we get a palindrome (3565665653).

The spelling of 2163602041 in words is "two billion, one hundred sixty-three million, six hundred two thousand, forty-one".