33506000001 has 20 divisors (see below), whose sum is σ = 50655221232. Its totient is φ = 22068204408.

The previous prime is 33505999997. The next prime is 33506000123. The reversal of 33506000001 is 10000060533.

It is not a de Polignac number, because 33506000001 - 2² = 33505999997 is a prime.

It is a super-2 number, since 2×33506000001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33506000401) 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 19 ways as a sum of consecutive naturals, for example, 2485171 + ... + 2498616.

Almost surely, 2^33506000001 is an apocalyptic number.

It is an amenable number.

33506000001 is a deficient number, since it is larger than the sum of its proper divisors (17149221231).

33506000001 is an equidigital number, since it uses as much as digits as its factorization.

33506000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983882 (or 4983873 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 33506000001 its reverse (10000060533), we get a palindrome (43506060534).

The spelling of 33506000001 in words is "thirty-three billion, five hundred six million, one", and thus it is an aban number.