13478480733 has 4 divisors (see below), whose sum is σ = 17971307648. Its totient is φ = 8985653820.

The previous prime is 13478480683. The next prime is 13478480749. The reversal of 13478480733 is 33708487431.

13478480733 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33708487431 = 3 ⋅11236162477.

It is not a de Polignac number, because 13478480733 - 2¹² = 13478476637 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 (13478482733) 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, 2246413453 + ... + 2246413458.

It is an arithmetic number, because the mean of its divisors is an integer number (4492826912).

Almost surely, 2^13478480733 is an apocalyptic number.

It is an amenable number.

13478480733 is a deficient number, since it is larger than the sum of its proper divisors (4492826915).

13478480733 is an equidigital number, since it uses as much as digits as its factorization.

13478480733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492826914.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 13478480733 in words is "thirteen billion, four hundred seventy-eight million, four hundred eighty thousand, seven hundred thirty-three".