36648445926401 has 4 divisors (see below), whose sum is σ = 36746699133012. Its totient is φ = 36550192719792.

The previous prime is 36648445926397. The next prime is 36648445926439. The reversal of 36648445926401 is 10462954484663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29709694435600 + 6938751490801 = 5450660^2 + 2634151^2 .

It is a cyclic number.

It is not a de Polignac number, because 36648445926401 - 2² = 36648445926397 is a prime.

It is a super-2 number, since 2×36648445926401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36648445926901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49126602746 + ... + 49126603491.

It is an arithmetic number, because the mean of its divisors is an integer number (9186674783253).

Almost surely, 2^{36648445926401} is an apocalyptic number.

It is an amenable number.

36648445926401 is a deficient number, since it is larger than the sum of its proper divisors (98253206611).

36648445926401 is an equidigital number, since it uses as much as digits as its factorization.

36648445926401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98253206610.

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 36648445926401 in words is "thirty-six trillion, six hundred forty-eight billion, four hundred forty-five million, nine hundred twenty-six thousand, four hundred one".