13205356448 has 48 divisors (see below), whose sum is σ = 26249678280. Its totient is φ = 6539083776.

The previous prime is 13205356429. The next prime is 13205356517. The reversal of 13205356448 is 84465350231.

13205356448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13203848464 + 1507984 = 114908^2 + 1228^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1409636 + ... + 1418972.

Almost surely, 2^13205356448 is an apocalyptic number.

It is an amenable number.

13205356448 is a deficient number, since it is larger than the sum of its proper divisors (13044321832).

13205356448 is a wasteful number, since it uses less digits than its factorization.

13205356448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9769 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 13205356448 in words is "thirteen billion, two hundred five million, three hundred fifty-six thousand, four hundred forty-eight".