2041805563 has 4 divisors (see below), whose sum is σ = 2333492080. Its totient is φ = 1750119048.

The previous prime is 2041805527. The next prime is 2041805599. The reversal of 2041805563 is 3655081402.

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

It is an interprime number because it is at equal distance from previous prime (2041805527) and next prime (2041805599).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041805563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041805263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145843248 + ... + 145843261.

It is an arithmetic number, because the mean of its divisors is an integer number (583373020).

Almost surely, 2^2041805563 is an apocalyptic number.

2041805563 is a deficient number, since it is larger than the sum of its proper divisors (291686517).

2041805563 is an equidigital number, since it uses as much as digits as its factorization.

2041805563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291686516.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2041805563 is about 45186.3426601446. The cubic root of 2041805563 is about 1268.6392027361.

Adding to 2041805563 its reverse (3655081402), we get a palindrome (5696886965).

The spelling of 2041805563 in words is "two billion, forty-one million, eight hundred five thousand, five hundred sixty-three".