206573514349 has 16 divisors (see below), whose sum is σ = 220352650560. Its totient is φ = 192975932160.

The previous prime is 206573514319. The next prime is 206573514353. The reversal of 206573514349 is 943415375602.

It is a cyclic number.

It is not a de Polignac number, because 206573514349 - 2⁵ = 206573514317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206573514319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12853779 + ... + 12869839.

It is an arithmetic number, because the mean of its divisors is an integer number (13772040660).

Almost surely, 2^206573514349 is an apocalyptic number.

It is an amenable number.

206573514349 is a deficient number, since it is larger than the sum of its proper divisors (13779136211).

206573514349 is a wasteful number, since it uses less digits than its factorization.

206573514349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 206573514349 in words is "two hundred six billion, five hundred seventy-three million, five hundred fourteen thousand, three hundred forty-nine".