36445680361 has 4 divisors (see below), whose sum is σ = 36499835092. Its totient is φ = 36391525632.

The previous prime is 36445680343. The next prime is 36445680407. The reversal of 36445680361 is 16308654463.

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 5092249600 + 31353430761 = 71360^2 + 177069^2 .

It is a cyclic number.

It is not a de Polignac number, because 36445680361 - 2¹⁵ = 36445647593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36445680301) 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, 27076356 + ... + 27077701.

It is an arithmetic number, because the mean of its divisors is an integer number (9124958773).

Almost surely, 2^36445680361 is an apocalyptic number.

It is an amenable number.

36445680361 is a deficient number, since it is larger than the sum of its proper divisors (54154731).

36445680361 is an equidigital number, since it uses as much as digits as its factorization.

36445680361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54154730.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 36445680361 in words is "thirty-six billion, four hundred forty-five million, six hundred eighty thousand, three hundred sixty-one".