206199547513 has 4 divisors (see below), whose sum is σ = 206200949760. Its totient is φ = 206198145268.

The previous prime is 206199547493. The next prime is 206199547597. The reversal of 206199547513 is 315745991602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206199547513 - 2¹³ = 206199539321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206199544513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450745 + ... + 784582.

It is an arithmetic number, because the mean of its divisors is an integer number (51550237440).

Almost surely, 2^206199547513 is an apocalyptic number.

It is an amenable number.

206199547513 is a deficient number, since it is larger than the sum of its proper divisors (1402247).

206199547513 is a wasteful number, since it uses less digits than its factorization.

206199547513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402246.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 206199547513 in words is "two hundred six billion, one hundred ninety-nine million, five hundred forty-seven thousand, five hundred thirteen".