13363461613 has 4 divisors (see below), whose sum is σ = 13363961980. Its totient is φ = 13362961248.

The previous prime is 13363461581. The next prime is 13363461623. The reversal of 13363461613 is 31616436331.

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 2572822729 + 10790638884 = 50723^2 + 103878^2 .

It is a cyclic number.

It is not a de Polignac number, because 13363461613 - 2⁵ = 13363461581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13363461623) 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, 207720 + ... + 264337.

It is an arithmetic number, because the mean of its divisors is an integer number (3340990495).

Almost surely, 2^13363461613 is an apocalyptic number.

It is an amenable number.

13363461613 is a deficient number, since it is larger than the sum of its proper divisors (500367).

13363461613 is an equidigital number, since it uses as much as digits as its factorization.

13363461613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500366.

The product of its digits is 69984, while the sum is 37.

Adding to 13363461613 its reverse (31616436331), we get a palindrome (44979897944).

The spelling of 13363461613 in words is "thirteen billion, three hundred sixty-three million, four hundred sixty-one thousand, six hundred thirteen".