13333551841 has 3 divisors (see below), whose sum is σ = 13333667313. Its totient is φ = 13333436370.

The previous prime is 13333551839. The next prime is 13333551859. The reversal of 13333551841 is 14815533331.

The square root of 13333551841 is 115471.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13333551841 - 2¹ = 13333551839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13333551841.

It is not an unprimeable number, because it can be changed into a prime (13333551941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57736 + ... + 173206.

It is an arithmetic number, because the mean of its divisors is an integer number (4444555771).

Almost surely, 2^13333551841 is an apocalyptic number.

13333551841 is the 115471-st square number.

13333551841 is the 57736-th centered octagonal number.

It is an amenable number.

13333551841 is a deficient number, since it is larger than the sum of its proper divisors (115472).

13333551841 is an frugal number, since it uses more digits than its factorization.

13333551841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230942 (or 115471 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The spelling of 13333551841 in words is "thirteen billion, three hundred thirty-three million, five hundred fifty-one thousand, eight hundred forty-one".