36536487989764 has 135 divisors (see below), whose sum is σ = 76707362206293. Its totient is φ = 15226152941664.

The previous prime is 36536487989741. The next prime is 36536487989779. The reversal of 36536487989764 is 46798978463563.

The square root of 36536487989764 is 6044542.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 32693351196100 + 3843136793664 = 5717810^2 + 1960392^2 .

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 44 ways as a sum of consecutive naturals, for example, 21917508459 + ... + 21917510125.

Almost surely, 2^{36536487989764} is an apocalyptic number.

36536487989764 is the 6044542-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36536487989764

36536487989764 is an abundant number, since it is smaller than the sum of its proper divisors (40170874216529).

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

36536487989764 is an frugal number, since it uses more digits than its factorization.

36536487989764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440 (or 1713 counting only the distinct ones).

The product of its digits is 39504568320, while the sum is 85.

The spelling of 36536487989764 in words is "thirty-six trillion, five hundred thirty-six billion, four hundred eighty-seven million, nine hundred eighty-nine thousand, seven hundred sixty-four".