13548494405 has 4 divisors (see below), whose sum is σ = 16258193292. Its totient is φ = 10838795520.

The previous prime is 13548494387. The next prime is 13548494419. The reversal of 13548494405 is 50449484531.

It is a Cunningham number, because it is equal to 116398²+1.

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 4877346244 + 8671148161 = 69838^2 + 93119^2 .

It is not a de Polignac number, because 13548494405 - 2²² = 13544300101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13548494405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354849436 + ... + 1354849445.

It is an arithmetic number, because the mean of its divisors is an integer number (4064548323).

Almost surely, 2^13548494405 is an apocalyptic number.

It is an amenable number.

13548494405 is a deficient number, since it is larger than the sum of its proper divisors (2709698887).

13548494405 is an equidigital number, since it uses as much as digits as its factorization.

13548494405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709698886.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 13548494405 in words is "thirteen billion, five hundred forty-eight million, four hundred ninety-four thousand, four hundred five".