13176048409 has 4 divisors (see below), whose sum is σ = 13206478516. Its totient is φ = 13145618304.

The previous prime is 13176048371. The next prime is 13176048419. The reversal of 13176048409 is 90484067131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90484067131 = 2081 ⋅43481051.

It can be written as a sum of positive squares in 2 ways, for example, as 2540664025 + 10635384384 = 50405^2 + 103128^2 .

It is a cyclic number.

It is not a de Polignac number, because 13176048409 - 2¹³ = 13176040217 is a prime.

It is a super-2 number, since 2×13176048409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13176048419) 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, 15214404 + ... + 15215269.

It is an arithmetic number, because the mean of its divisors is an integer number (3301619629).

Almost surely, 2^13176048409 is an apocalyptic number.

It is an amenable number.

13176048409 is a deficient number, since it is larger than the sum of its proper divisors (30430107).

13176048409 is an equidigital number, since it uses as much as digits as its factorization.

13176048409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30430106.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 13176048409 in words is "thirteen billion, one hundred seventy-six million, forty-eight thousand, four hundred nine".