33434043121 has 4 divisors (see below), whose sum is σ = 33564136932. Its totient is φ = 33303949312.

The previous prime is 33434043107. The next prime is 33434043161. The reversal of 33434043121 is 12134043433.

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 30989729521 + 2444313600 = 176039^2 + 49440^2 .

It is a cyclic number.

It is not a de Polignac number, because 33434043121 - 2¹⁷ = 33433912049 is a prime.

It is a super-2 number, since 2×33434043121² (a number of 22 digits) contains 22 as substring.

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 33434043121.

It is not an unprimeable number, because it can be changed into a prime (33434043161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65046520 + ... + 65047033.

It is an arithmetic number, because the mean of its divisors is an integer number (8391034233).

Almost surely, 2^33434043121 is an apocalyptic number.

It is an amenable number.

33434043121 is a deficient number, since it is larger than the sum of its proper divisors (130093811).

33434043121 is a wasteful number, since it uses less digits than its factorization.

33434043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130093810.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33434043121 its reverse (12134043433), we get a palindrome (45568086554).

The spelling of 33434043121 in words is "thirty-three billion, four hundred thirty-four million, forty-three thousand, one hundred twenty-one".