13065540333443 has 24 divisors (see below), whose sum is σ = 14658167844720. Its totient is φ = 11626784158080.

The previous prime is 13065540333397. The next prime is 13065540333473. The reversal of 13065540333443 is 34433304556031.

It is not a de Polignac number, because 13065540333443 - 2³⁰ = 13064466591619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13065540333394 and 13065540333403.

It is not an unprimeable number, because it can be changed into a prime (13065540333473) 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, 1159088 + ... + 5241618.

It is an arithmetic number, because the mean of its divisors is an integer number (610756993530).

Almost surely, 2^{13065540333443} is an apocalyptic number.

13065540333443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13065540333443 is a deficient number, since it is larger than the sum of its proper divisors (1592627511277).

13065540333443 is a wasteful number, since it uses less digits than its factorization.

13065540333443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083239 (or 4083226 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 44.

Adding to 13065540333443 its reverse (34433304556031), we get a palindrome (47498844889474).

The spelling of 13065540333443 in words is "thirteen trillion, sixty-five billion, five hundred forty million, three hundred thirty-three thousand, four hundred forty-three".