13480835449 has 3 divisors (see below), whose sum is σ = 13480951557. Its totient is φ = 13480719342.

The previous prime is 13480835437. The next prime is 13480835453. The reversal of 13480835449 is 94453808431.

It is a happy number.

The square root of 13480835449 is 116107.

It is a perfect power (a square), and thus also a powerful number.

13480835449 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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13480835449 - 2²¹ = 13478738297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13480835549) 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 2 ways as a sum of consecutive naturals, for example, 58054 + ... + 174160.

It is an arithmetic number, because the mean of its divisors is an integer number (4493650519).

Almost surely, 2^13480835449 is an apocalyptic number.

13480835449 is the 116107-th square number.

13480835449 is the 58054-th centered octagonal number.

It is an amenable number.

13480835449 is a deficient number, since it is larger than the sum of its proper divisors (116108).

13480835449 is an frugal number, since it uses more digits than its factorization.

13480835449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232214 (or 116107 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

Multiplying 13480835449 by its sum of digits (49), we get a square (660560937001 = 812749²).

The spelling of 13480835449 in words is "thirteen billion, four hundred eighty million, eight hundred thirty-five thousand, four hundred forty-nine".