36308033721 has 6 divisors (see below), whose sum is σ = 52444937610. Its totient is φ = 24205355808.

The previous prime is 36308033693. The next prime is 36308033789. The reversal of 36308033721 is 12733080363.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22421768121 + 13886265600 = 149739^2 + 117840^2 .

It is not a de Polignac number, because 36308033721 - 2⁵ = 36308033689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36308033821) 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 in 5 ways as a sum of consecutive naturals, for example, 2017112976 + ... + 2017112993.

It is an arithmetic number, because the mean of its divisors is an integer number (8740822935).

Almost surely, 2^36308033721 is an apocalyptic number.

It is an amenable number.

36308033721 is a deficient number, since it is larger than the sum of its proper divisors (16136903889).

36308033721 is a wasteful number, since it uses less digits than its factorization.

36308033721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034225975 (or 4034225972 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 36308033721 in words is "thirty-six billion, three hundred eight million, thirty-three thousand, seven hundred twenty-one".