13636244033 has 4 divisors (see below), whose sum is σ = 13686936660. Its totient is φ = 13585551408.

The previous prime is 13636244023. The next prime is 13636244047. The reversal of 13636244033 is 33044263631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33044263631 = 617 ⋅53556343.

It can be written as a sum of positive squares in 2 ways, for example, as 1401229489 + 12235014544 = 37433^2 + 110612^2 .

It is a cyclic number.

It is not a de Polignac number, because 13636244033 - 2¹⁶ = 13636178497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13636243984 and 13636244002.

It is not an unprimeable number, because it can be changed into a prime (13636244003) 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 3 ways as a sum of consecutive naturals, for example, 25345910 + ... + 25346447.

It is an arithmetic number, because the mean of its divisors is an integer number (3421734165).

Almost surely, 2^13636244033 is an apocalyptic number.

It is an amenable number.

13636244033 is a deficient number, since it is larger than the sum of its proper divisors (50692627).

13636244033 is an equidigital number, since it uses as much as digits as its factorization.

13636244033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50692626.

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 13636244033 in words is "thirteen billion, six hundred thirty-six million, two hundred forty-four thousand, thirty-three".