36393669505 has 4 divisors (see below), whose sum is σ = 43672403412. Its totient is φ = 29114935600.

The previous prime is 36393669469. The next prime is 36393669517. The reversal of 36393669505 is 50596639363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50596639363 = 33937 ⋅1490899.

It can be written as a sum of positive squares in 2 ways, for example, as 6254279056 + 30139390449 = 79084^2 + 173607^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36393669505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639366946 + ... + 3639366955.

It is an arithmetic number, because the mean of its divisors is an integer number (10918100853).

Almost surely, 2^36393669505 is an apocalyptic number.

It is an amenable number.

36393669505 is a deficient number, since it is larger than the sum of its proper divisors (7278733907).

36393669505 is an equidigital number, since it uses as much as digits as its factorization.

36393669505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278733906.

The product of its (nonzero) digits is 11809800, while the sum is 55.

The spelling of 36393669505 in words is "thirty-six billion, three hundred ninety-three million, six hundred sixty-nine thousand, five hundred five".