13321332402443 has 24 divisors (see below), whose sum is σ = 15241759118880. Its totient is φ = 11571626280960.

The previous prime is 13321332402403. The next prime is 13321332402457. The reversal of 13321332402443 is 34420423312331.

It is not a de Polignac number, because 13321332402443 - 2²⁰ = 13321331353867 is a prime.

It is a super-2 number, since 2×13321332402443² (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 (13321332402403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26345363 + ... + 26846243.

It is an arithmetic number, because the mean of its divisors is an integer number (635073296620).

Almost surely, 2^{13321332402443} is an apocalyptic number.

13321332402443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13321332402443 is a deficient number, since it is larger than the sum of its proper divisors (1920426716437).

13321332402443 is a wasteful number, since it uses less digits than its factorization.

13321332402443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508007 (or 507990 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 13321332402443 its reverse (34420423312331), we get a palindrome (47741755714774).

The spelling of 13321332402443 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-two million, four hundred two thousand, four hundred forty-three".