206489399294 has 8 divisors (see below), whose sum is σ = 309766328040. Its totient is φ = 103233956616.

The previous prime is 206489399273. The next prime is 206489399309. The reversal of 206489399294 is 492993984602.

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

It is a self number, because there is not a number n which added to its sum of digits gives 206489399294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347469 + ... + 5385944.

It is an arithmetic number, because the mean of its divisors is an integer number (38720791005).

Almost surely, 2^206489399294 is an apocalyptic number.

206489399294 is a deficient number, since it is larger than the sum of its proper divisors (103276928746).

206489399294 is a wasteful number, since it uses less digits than its factorization.

206489399294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743034.

The product of its (nonzero) digits is 60466176, while the sum is 65.

The spelling of 206489399294 in words is "two hundred six billion, four hundred eighty-nine million, three hundred ninety-nine thousand, two hundred ninety-four".