36868703517 has 6 divisors (see below), whose sum is σ = 53254793982. Its totient is φ = 24579135672.

The previous prime is 36868703513. The next prime is 36868703549. The reversal of 36868703517 is 71530786863.

36868703517 is a `hidden beast` number, since 3 + 68 + 68 + 7 + 0 + 3 + 517 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35248560516 + 1620143001 = 187746^2 + 40251^2 .

It is not a de Polignac number, because 36868703517 - 2² = 36868703513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36868703513) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2048261298 + ... + 2048261315.

It is an arithmetic number, because the mean of its divisors is an integer number (8875798997).

Almost surely, 2^36868703517 is an apocalyptic number.

It is an amenable number.

36868703517 is a deficient number, since it is larger than the sum of its proper divisors (16386090465).

36868703517 is a wasteful number, since it uses less digits than its factorization.

36868703517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096522619 (or 4096522616 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 36868703517 in words is "thirty-six billion, eight hundred sixty-eight million, seven hundred three thousand, five hundred seventeen".