13603440353313 has 16 divisors (see below), whose sum is σ = 18167381232896. Its totient is φ = 9054234498960.

The previous prime is 13603440353287. The next prime is 13603440353317. The reversal of 13603440353313 is 31335304430631.

It is not a de Polignac number, because 13603440353313 - 2⁵ = 13603440353281 is a prime.

It is a super-2 number, since 2×13603440353313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13603440353317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11203506 + ... + 12358212.

It is an arithmetic number, because the mean of its divisors is an integer number (1135461327056).

Almost surely, 2^{13603440353313} is an apocalyptic number.

It is an amenable number.

13603440353313 is a deficient number, since it is larger than the sum of its proper divisors (4563940879583).

13603440353313 is a wasteful number, since it uses less digits than its factorization.

13603440353313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161084.

The product of its (nonzero) digits is 349920, while the sum is 39.

Adding to 13603440353313 its reverse (31335304430631), we get a palindrome (44938744783944).

The spelling of 13603440353313 in words is "thirteen trillion, six hundred three billion, four hundred forty million, three hundred fifty-three thousand, three hundred thirteen".