13280740768 has 24 divisors (see below), whose sum is σ = 26152348068. Its totient is φ = 6638874624.

The previous prime is 13280740751. The next prime is 13280740771. The reversal of 13280740768 is 86704708231.

It can be written as a sum of positive squares in 2 ways, for example, as 8123777424 + 5156963344 = 90132^2 + 71812^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105130 + ... + 193942.

Almost surely, 2^13280740768 is an apocalyptic number.

It is an amenable number.

13280740768 is a deficient number, since it is larger than the sum of its proper divisors (12871607300).

13280740768 is an equidigital number, since it uses as much as digits as its factorization.

13280740768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93496 (or 93488 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 13280740768 in words is "thirteen billion, two hundred eighty million, seven hundred forty thousand, seven hundred sixty-eight".