206739459086 has 4 divisors (see below), whose sum is σ = 310109188632. Its totient is φ = 103369729542.

The previous prime is 206739459061. The next prime is 206739459103. The reversal of 206739459086 is 680954937602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51684864770 + ... + 51684864773.

It is an arithmetic number, because the mean of its divisors is an integer number (77527297158).

Almost surely, 2^206739459086 is an apocalyptic number.

206739459086 is a deficient number, since it is larger than the sum of its proper divisors (103369729546).

206739459086 is a wasteful number, since it uses less digits than its factorization.

206739459086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103369729545.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 206739459086 in words is "two hundred six billion, seven hundred thirty-nine million, four hundred fifty-nine thousand, eighty-six".