206135953498 has 8 divisors (see below), whose sum is σ = 309228506100. Its totient is φ = 103059784800.

The previous prime is 206135953481. The next prime is 206135953577. The reversal of 206135953498 is 894359531602.

206135953498 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191648701729 + 14487251769 = 437777^2 + 120363^2 .

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

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, 4064473 + ... + 4114876.

Almost surely, 2^206135953498 is an apocalyptic number.

206135953498 is a deficient number, since it is larger than the sum of its proper divisors (103092552602).

206135953498 is a wasteful number, since it uses less digits than its factorization.

206135953498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191952.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 206135953498 in words is "two hundred six billion, one hundred thirty-five million, nine hundred fifty-three thousand, four hundred ninety-eight".