368683668538 has 8 divisors (see below), whose sum is σ = 567972138132. Its totient is φ = 179359622496.

The previous prime is 368683668469. The next prime is 368683668539. The reversal of 368683668538 is 835866386863.

It can be written as a sum of positive squares in 2 ways, for example, as 368646908569 + 36759969 = 607163^2 + 6063^2 .

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

It is not an unprimeable number, because it can be changed into a prime (368683668539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491105795 + ... + 2491105942.

Almost surely, 2^368683668538 is an apocalyptic number.

368683668538 is a deficient number, since it is larger than the sum of its proper divisors (199288469594).

368683668538 is a wasteful number, since it uses less digits than its factorization.

368683668538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982211776.

The product of its digits is 716636160, while the sum is 70.

The spelling of 368683668538 in words is "three hundred sixty-eight billion, six hundred eighty-three million, six hundred sixty-eight thousand, five hundred thirty-eight".