206364896249 has 4 divisors (see below), whose sum is σ = 206366352720. Its totient is φ = 206363439780.

The previous prime is 206364896209. The next prime is 206364896323. The reversal of 206364896249 is 942698463602.

It is a happy number.

206364896249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206364896249 - 2²⁰ = 206363847673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206364896209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489647 + ... + 807764.

It is an arithmetic number, because the mean of its divisors is an integer number (51591588180).

Almost surely, 2^206364896249 is an apocalyptic number.

It is an amenable number.

206364896249 is a deficient number, since it is larger than the sum of its proper divisors (1456471).

206364896249 is a wasteful number, since it uses less digits than its factorization.

206364896249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456470.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 206364896249 in words is "two hundred six billion, three hundred sixty-four million, eight hundred ninety-six thousand, two hundred forty-nine".