13397409603344 has 40 divisors (see below), whose sum is σ = 27958479131352. Its totient is φ = 6182475586560.

The previous prime is 13397409603341. The next prime is 13397409603371. The reversal of 13397409603344 is 44330690479331.

It can be written as a sum of positive squares in 4 ways, for example, as 2867644201744 + 10529765401600 = 1693412^2 + 3244960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13397409603344.

It is not an unprimeable number, because it can be changed into a prime (13397409603341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551567 + ... + 6277614.

Almost surely, 2^{13397409603344} is an apocalyptic number.

It is an amenable number.

13397409603344 is an abundant number, since it is smaller than the sum of its proper divisors (14561069528008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13397409603344 is a wasteful number, since it uses less digits than its factorization.

13397409603344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835755 (or 9835749 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 56.

The spelling of 13397409603344 in words is "thirteen trillion, three hundred ninety-seven billion, four hundred nine million, six hundred three thousand, three hundred forty-four".