206713373755 has 32 divisors (see below), whose sum is σ = 289783194624. Its totient is φ = 138618470016.

The previous prime is 206713373707. The next prime is 206713373849. The reversal of 206713373755 is 557373317602.

It is a cyclic number.

It is not a de Polignac number, because 206713373755 - 2⁷ = 206713373627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206713373699 and 206713373708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387994 + ... + 750976.

It is an arithmetic number, because the mean of its divisors is an integer number (9055724832).

Almost surely, 2^206713373755 is an apocalyptic number.

206713373755 is a deficient number, since it is larger than the sum of its proper divisors (83069820869).

206713373755 is a wasteful number, since it uses less digits than its factorization.

206713373755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363355.

The product of its (nonzero) digits is 2778300, while the sum is 49.

The spelling of 206713373755 in words is "two hundred six billion, seven hundred thirteen million, three hundred seventy-three thousand, seven hundred fifty-five".