205241423135435 has 16 divisors (see below), whose sum is σ = 254395140341760. Its totient is φ = 158796208593120.

The previous prime is 205241423135363. The next prime is 205241423135461. The reversal of 205241423135435 is 534531324142502.

It is not a de Polignac number, because 205241423135435 - 2¹⁶ = 205241423069899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417991595 + ... + 418482324.

It is an arithmetic number, because the mean of its divisors is an integer number (15899696271360).

Almost surely, 2^{205241423135435} is an apocalyptic number.

205241423135435 is a deficient number, since it is larger than the sum of its proper divisors (49153717206325).

205241423135435 is a wasteful number, since it uses less digits than its factorization.

205241423135435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836475538.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 205241423135435 its reverse (534531324142502), we get a palindrome (739772747277937).

The spelling of 205241423135435 in words is "two hundred five trillion, two hundred forty-one billion, four hundred twenty-three million, one hundred thirty-five thousand, four hundred thirty-five".