33530045521 has 8 divisors (see below), whose sum is σ = 38429854400. Its totient is φ = 28657687248.

The previous prime is 33530045513. The next prime is 33530045531. The reversal of 33530045521 is 12554003533.

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 33530045521 - 2³ = 33530045513 is a prime.

It is a super-2 number, since 2×33530045521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33530045531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860031 + ... + 6864916.

It is an arithmetic number, because the mean of its divisors is an integer number (4803731800).

Almost surely, 2^33530045521 is an apocalyptic number.

It is an amenable number.

33530045521 is a deficient number, since it is larger than the sum of its proper divisors (4899808879).

33530045521 is a wasteful number, since it uses less digits than its factorization.

33530045521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725303.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 33530045521 in words is "thirty-three billion, five hundred thirty million, forty-five thousand, five hundred twenty-one".