36388493868 has 54 divisors (see below), whose sum is σ = 86622092004. Its totient is φ = 11889185568.

The previous prime is 36388493857. The next prime is 36388493893. The reversal of 36388493868 is 86839488363.

It is a junction number, because it is equal to n+sod(n) for n = 36388493799 and 36388493808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35022093 + ... + 35023131.

Almost surely, 2^36388493868 is an apocalyptic number.

It is an amenable number.

36388493868 is an abundant number, since it is smaller than the sum of its proper divisors (50233598136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36388493868 is an equidigital number, since it uses as much as digits as its factorization.

36388493868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 1097 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 66.

The spelling of 36388493868 in words is "thirty-six billion, three hundred eighty-eight million, four hundred ninety-three thousand, eight hundred sixty-eight".