206139583193 has 8 divisors (see below), whose sum is σ = 217020213120. Its totient is φ = 195262071120.

The previous prime is 206139583189. The next prime is 206139583241. The reversal of 206139583193 is 391385931602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206139583193 - 2² = 206139583189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206139583393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643130 + ... + 908787.

It is an arithmetic number, because the mean of its divisors is an integer number (27127526640).

Almost surely, 2^206139583193 is an apocalyptic number.

It is an amenable number.

206139583193 is a deficient number, since it is larger than the sum of its proper divisors (10880629927).

206139583193 is a wasteful number, since it uses less digits than its factorization.

206139583193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558927.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 206139583193 in words is "two hundred six billion, one hundred thirty-nine million, five hundred eighty-three thousand, one hundred ninety-three".