13361642285 has 4 divisors (see below), whose sum is σ = 16033970748. Its totient is φ = 10689313824.

The previous prime is 13361642191. The next prime is 13361642293. The reversal of 13361642285 is 58224616331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58224616331 = 7 ⋅8317802333.

It can be written as a sum of positive squares in 2 ways, for example, as 7999155844 + 5362486441 = 89438^2 + 73229^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361642285 - 2⁸ = 13361642029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1336164224 + ... + 1336164233.

It is an arithmetic number, because the mean of its divisors is an integer number (4008492687).

Almost surely, 2^13361642285 is an apocalyptic number.

It is an amenable number.

13361642285 is a deficient number, since it is larger than the sum of its proper divisors (2672328463).

13361642285 is an equidigital number, since it uses as much as digits as its factorization.

13361642285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672328462.

The product of its digits is 207360, while the sum is 41.

The spelling of 13361642285 in words is "thirteen billion, three hundred sixty-one million, six hundred forty-two thousand, two hundred eighty-five".