13305040361 has 4 divisors (see below), whose sum is σ = 14087689812. Its totient is φ = 12522390912.

The previous prime is 13305040321. The next prime is 13305040363. The reversal of 13305040361 is 16304050331.

13305040361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5484291136 + 7820749225 = 74056^2 + 88435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13305040361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13305040361.

It is not an unprimeable number, because it can be changed into a prime (13305040363) by changing a digit.

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, 391324700 + ... + 391324733.

It is an arithmetic number, because the mean of its divisors is an integer number (3521922453).

Almost surely, 2^13305040361 is an apocalyptic number.

It is an amenable number.

13305040361 is a deficient number, since it is larger than the sum of its proper divisors (782649451).

13305040361 is an equidigital number, since it uses as much as digits as its factorization.

13305040361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782649450.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13305040361 its reverse (16304050331), we get a palindrome (29609090692).

The spelling of 13305040361 in words is "thirteen billion, three hundred five million, forty thousand, three hundred sixty-one".