12533696858 has 8 divisors (see below), whose sum is σ = 18801039828. Its totient is φ = 6266683584.

The previous prime is 12533696839. The next prime is 12533696863. The reversal of 12533696858 is 85869633521.

It can be written as a sum of positive squares in 2 ways, for example, as 12189705649 + 343991209 = 110407^2 + 18547^2 .

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, 66260 + ... + 171632.

Almost surely, 2^12533696858 is an apocalyptic number.

12533696858 is a deficient number, since it is larger than the sum of its proper divisors (6267342970).

12533696858 is a wasteful number, since it uses less digits than its factorization.

12533696858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164848.

The product of its digits is 9331200, while the sum is 56.

The spelling of 12533696858 in words is "twelve billion, five hundred thirty-three million, six hundred ninety-six thousand, eight hundred fifty-eight".