206460424563 has 4 divisors (see below), whose sum is σ = 275280566088. Its totient is φ = 137640283040.

The previous prime is 206460424553. The next prime is 206460424571. The reversal of 206460424563 is 365424064602.

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 206460424563 - 2⁸ = 206460424307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206460424543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34410070758 + ... + 34410070763.

It is an arithmetic number, because the mean of its divisors is an integer number (68820141522).

Almost surely, 2^206460424563 is an apocalyptic number.

206460424563 is a deficient number, since it is larger than the sum of its proper divisors (68820141525).

206460424563 is an equidigital number, since it uses as much as digits as its factorization.

206460424563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68820141524.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 206460424563 in words is "two hundred six billion, four hundred sixty million, four hundred twenty-four thousand, five hundred sixty-three".