36218036693684 has 6 divisors (see below), whose sum is σ = 63381564213954. Its totient is φ = 18109018346840.

The previous prime is 36218036693681. The next prime is 36218036693701. The reversal of 36218036693684 is 48639663081263.

It can be written as a sum of positive squares in only one way, i.e., 34132819828900 + 2085216864784 = 5842330^2 + 1444028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36218036693684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36218036693681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4527254586707 + ... + 4527254586714.

It is an arithmetic number, because the mean of its divisors is an integer number (10563594035659).

Almost surely, 2^{36218036693684} is an apocalyptic number.

It is an amenable number.

36218036693684 is a deficient number, since it is larger than the sum of its proper divisors (27163527520270).

36218036693684 is a wasteful number, since it uses less digits than its factorization.

36218036693684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054509173425 (or 9054509173423 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 65.

The spelling of 36218036693684 in words is "thirty-six trillion, two hundred eighteen billion, thirty-six million, six hundred ninety-three thousand, six hundred eighty-four".