205041632043 has 4 divisors (see below), whose sum is σ = 273388842728. Its totient is φ = 136694421360.

The previous prime is 205041632011. The next prime is 205041632077. The reversal of 205041632043 is 340236140502.

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

It is not a de Polignac number, because 205041632043 - 2⁵ = 205041632011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205041632043.

It is not an unprimeable number, because it can be changed into a prime (205041632083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34173605338 + ... + 34173605343.

It is an arithmetic number, because the mean of its divisors is an integer number (68347210682).

Almost surely, 2^205041632043 is an apocalyptic number.

205041632043 is a deficient number, since it is larger than the sum of its proper divisors (68347210685).

205041632043 is an equidigital number, since it uses as much as digits as its factorization.

205041632043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68347210684.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 205041632043 its reverse (340236140502), we get a palindrome (545277772545).

The spelling of 205041632043 in words is "two hundred five billion, forty-one million, six hundred thirty-two thousand, forty-three".