36636541064 has 8 divisors (see below), whose sum is σ = 68693514510. Its totient is φ = 18318270528.

The previous prime is 36636541063. The next prime is 36636541079. The reversal of 36636541064 is 46014563663.

It can be written as a sum of positive squares in only one way, i.e., 29264944900 + 7371596164 = 171070^2 + 85858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×36636541064² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36636541061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289783809 + ... + 2289783824.

Almost surely, 2^36636541064 is an apocalyptic number.

It is an amenable number.

36636541064 is a deficient number, since it is larger than the sum of its proper divisors (32056973446).

36636541064 is a wasteful number, since it uses less digits than its factorization.

36636541064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579567639 (or 4579567635 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 36636541064 in words is "thirty-six billion, six hundred thirty-six million, five hundred forty-one thousand, sixty-four".