33455320133 has 8 divisors (see below), whose sum is σ = 33582534552. Its totient is φ = 33328152576.

The previous prime is 33455320123. The next prime is 33455320147. The reversal of 33455320133 is 33102355433.

It can be written as a sum of positive squares in 4 ways, for example, as 15836208964 + 17619111169 = 125842^2 + 132737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33455320133 - 2¹⁶ = 33455254597 is a prime.

It is a super-2 number, since 2×33455320133² (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 33455320133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33455320103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190941 + ... + 2206157.

It is an arithmetic number, because the mean of its divisors is an integer number (4197816819).

Almost surely, 2^33455320133 is an apocalyptic number.

It is an amenable number.

33455320133 is a deficient number, since it is larger than the sum of its proper divisors (127214419).

33455320133 is a wasteful number, since it uses less digits than its factorization.

33455320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23431.

The product of its (nonzero) digits is 48600, while the sum is 32.

Adding to 33455320133 its reverse (33102355433), we get a palindrome (66557675566).

The spelling of 33455320133 in words is "thirty-three billion, four hundred fifty-five million, three hundred twenty thousand, one hundred thirty-three".