206296681839 has 16 divisors (see below), whose sum is σ = 278916896352. Its totient is φ = 135604965888.

The previous prime is 206296681823. The next prime is 206296681849. The reversal of 206296681839 is 938186692602.

It is not a de Polignac number, because 206296681839 - 2⁴ = 206296681823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206296681849) 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, 567619 + ... + 857195.

It is an arithmetic number, because the mean of its divisors is an integer number (17432306022).

Almost surely, 2^206296681839 is an apocalyptic number.

206296681839 is a deficient number, since it is larger than the sum of its proper divisors (72620214513).

206296681839 is a wasteful number, since it uses less digits than its factorization.

206296681839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292906.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 206296681839 in words is "two hundred six billion, two hundred ninety-six million, six hundred eighty-one thousand, eight hundred thirty-nine".