206013272559 has 4 divisors (see below), whose sum is σ = 274684363416. Its totient is φ = 137342181704.

The previous prime is 206013272557. The next prime is 206013272581. The reversal of 206013272559 is 955272310602.

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 206013272559 - 2¹ = 206013272557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206013272559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206013272551) 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, 34335545424 + ... + 34335545429.

It is an arithmetic number, because the mean of its divisors is an integer number (68671090854).

Almost surely, 2^206013272559 is an apocalyptic number.

206013272559 is a deficient number, since it is larger than the sum of its proper divisors (68671090857).

206013272559 is an equidigital number, since it uses as much as digits as its factorization.

206013272559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68671090856.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 206013272559 in words is "two hundred six billion, thirteen million, two hundred seventy-two thousand, five hundred fifty-nine".