205432435540435 has 4 divisors (see below), whose sum is σ = 246518922648528. Its totient is φ = 164345948432344.

The previous prime is 205432435540417. The next prime is 205432435540447. The reversal of 205432435540435 is 534045534234502.

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

It is a cyclic number.

It is not a de Polignac number, because 205432435540435 - 2⁷ = 205432435540307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20543243554039 + ... + 20543243554048.

It is an arithmetic number, because the mean of its divisors is an integer number (61629730662132).

Almost surely, 2^{205432435540435} is an apocalyptic number.

205432435540435 is a deficient number, since it is larger than the sum of its proper divisors (41086487108093).

205432435540435 is an equidigital number, since it uses as much as digits as its factorization.

205432435540435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41086487108092.

The product of its (nonzero) digits is 17280000, while the sum is 49.

Adding to 205432435540435 its reverse (534045534234502), we get a palindrome (739477969774937).

The spelling of 205432435540435 in words is "two hundred five trillion, four hundred thirty-two billion, four hundred thirty-five million, five hundred forty thousand, four hundred thirty-five".