13333333333333 has 4 divisors (see below), whose sum is σ = 14358974358988. Its totient is φ = 12307692307680.

The previous prime is 13333333333303. The next prime is 13333333333339. The reversal of 13333333333333 is 33333333333331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440367223409 + 11892966109924 = 1200153^2 + 3448618^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333333333333 - 2²⁵ = 13333299778901 is a prime.

It is a Duffinian number.

13333333333333 is a modest number, since divided by 3333333 gives 1333333 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333333333339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512820512808 + ... + 512820512833.

It is an arithmetic number, because the mean of its divisors is an integer number (3589743589747).

Almost surely, 2^{13333333333333} is an apocalyptic number.

13333333333333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13333333333333 is a deficient number, since it is larger than the sum of its proper divisors (1025641025655).

13333333333333 is a wasteful number, since it uses less digits than its factorization.

13333333333333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025641025654.

The product of its digits is 1594323, while the sum is 40.

Adding to 13333333333333 its reverse (33333333333331), we get a palindrome (46666666666664).

The spelling of 13333333333333 in words is "thirteen trillion, three hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-three".