206301209049 has 48 divisors (see below), whose sum is σ = 338340795520. Its totient is φ = 120081346560.

The previous prime is 206301209033. The next prime is 206301209053. The reversal of 206301209049 is 940902103602.

206301209049 is a `hidden beast` number, since 2 + 0 + 630 + 12 + 0 + 9 + 0 + 4 + 9 = 666.

It is not a de Polignac number, because 206301209049 - 2⁴ = 206301209033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206301209089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1329177 + ... + 1476249.

Almost surely, 2^206301209049 is an apocalyptic number.

It is an amenable number.

206301209049 is a deficient number, since it is larger than the sum of its proper divisors (132039586471).

206301209049 is a wasteful number, since it uses less digits than its factorization.

206301209049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147742 (or 147739 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 206301209049 in words is "two hundred six billion, three hundred one million, two hundred nine thousand, forty-nine".