36243044757361 has 4 divisors (see below), whose sum is σ = 39030971277172. Its totient is φ = 33455118237552.

The previous prime is 36243044757347. The next prime is 36243044757389. The reversal of 36243044757361 is 16375744034263.

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 12229673439025 + 24013371318336 = 3497095^2 + 4900344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36243044757361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36243044757331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393963259886 + ... + 1393963259911.

It is an arithmetic number, because the mean of its divisors is an integer number (9757742819293).

Almost surely, 2^{36243044757361} is an apocalyptic number.

It is an amenable number.

36243044757361 is a deficient number, since it is larger than the sum of its proper divisors (2787926519811).

36243044757361 is a wasteful number, since it uses less digits than its factorization.

36243044757361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787926519810.

The product of its (nonzero) digits is 30481920, while the sum is 55.

The spelling of 36243044757361 in words is "thirty-six trillion, two hundred forty-three billion, forty-four million, seven hundred fifty-seven thousand, three hundred sixty-one".