13361319109 has 4 divisors (see below), whose sum is σ = 13511446380. Its totient is φ = 13211191840.

The previous prime is 13361319077. The next prime is 13361319131. The reversal of 13361319109 is 90191316331.

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 2408650084 + 10952669025 = 49078^2 + 104655^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361319109 - 2⁵ = 13361319077 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 (13361319709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75063502 + ... + 75063679.

It is an arithmetic number, because the mean of its divisors is an integer number (3377861595).

Almost surely, 2^13361319109 is an apocalyptic number.

It is an amenable number.

13361319109 is a deficient number, since it is larger than the sum of its proper divisors (150127271).

13361319109 is an equidigital number, since it uses as much as digits as its factorization.

13361319109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150127270.

The product of its (nonzero) digits is 13122, while the sum is 37.

The spelling of 13361319109 in words is "thirteen billion, three hundred sixty-one million, three hundred nineteen thousand, one hundred nine".