13338217772881 has 4 divisors (see below), whose sum is σ = 13396976441712. Its totient is φ = 13279459104052.

The previous prime is 13338217772827. The next prime is 13338217772909. The reversal of 13338217772881 is 18827771283331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13338217772881 - 2⁷ = 13338217772753 is a prime.

It is a super-2 number, since 2×13338217772881² (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 (13338217772821) 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 3 ways as a sum of consecutive naturals, for example, 29379334075 + ... + 29379334528.

It is an arithmetic number, because the mean of its divisors is an integer number (3349244110428).

Almost surely, 2^{13338217772881} is an apocalyptic number.

It is an amenable number.

13338217772881 is a deficient number, since it is larger than the sum of its proper divisors (58758668831).

13338217772881 is an equidigital number, since it uses as much as digits as its factorization.

13338217772881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58758668830.

The product of its digits is 18966528, while the sum is 61.

The spelling of 13338217772881 in words is "thirteen trillion, three hundred thirty-eight billion, two hundred seventeen million, seven hundred seventy-two thousand, eight hundred eighty-one".