33384040369 has 3 divisors (see below), whose sum is σ = 33384223083. Its totient is φ = 33383857656.

The previous prime is 33384040301. The next prime is 33384040373. The reversal of 33384040369 is 96304048333.

The square root of 33384040369 is 182713.

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 can be written as a sum of positive squares in only one way, i.e., 1526074225 + 31857966144 = 39065^2 + 178488^2 .

It is not a de Polignac number, because 33384040369 - 2¹⁹ = 33383516081 is a prime.

It is a super-2 number, since 2×33384040369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33384040969) 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, 91357 + ... + 274069.

It is an arithmetic number, because the mean of its divisors is an integer number (11128074361).

Almost surely, 2^33384040369 is an apocalyptic number.

33384040369 is the 182713-rd square number.

33384040369 is the 91357-th centered octagonal number.

It is an amenable number.

33384040369 is a deficient number, since it is larger than the sum of its proper divisors (182714).

33384040369 is an frugal number, since it uses more digits than its factorization.

33384040369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365426 (or 182713 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 33384040369 in words is "thirty-three billion, three hundred eighty-four million, forty thousand, three hundred sixty-nine".