206473463563 has 4 divisors (see below), whose sum is σ = 206542314000. Its totient is φ = 206404613128.

The previous prime is 206473463561. The next prime is 206473463593. The reversal of 206473463563 is 365364374602.

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 206473463563 - 2¹ = 206473463561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206473463561) 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, 34420720 + ... + 34426717.

It is an arithmetic number, because the mean of its divisors is an integer number (51635578500).

Almost surely, 2^206473463563 is an apocalyptic number.

206473463563 is a deficient number, since it is larger than the sum of its proper divisors (68850437).

206473463563 is an equidigital number, since it uses as much as digits as its factorization.

206473463563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68850436.

The product of its (nonzero) digits is 6531840, while the sum is 49.

The spelling of 206473463563 in words is "two hundred six billion, four hundred seventy-three million, four hundred sixty-three thousand, five hundred sixty-three".