33033013009 has 4 divisors (see below), whose sum is σ = 33048472804. Its totient is φ = 33017553216.

The previous prime is 33033013007. The next prime is 33033013033. The reversal of 33033013009 is 90031033033.

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 14502180625 + 18530832384 = 120425^2 + 136128^2 .

It is a cyclic number.

It is not a de Polignac number, because 33033013009 - 2¹ = 33033013007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33033013007) 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 3 ways as a sum of consecutive naturals, for example, 7726692 + ... + 7730965.

It is an arithmetic number, because the mean of its divisors is an integer number (8262118201).

Almost surely, 2^33033013009 is an apocalyptic number.

It is an amenable number.

33033013009 is a deficient number, since it is larger than the sum of its proper divisors (15459795).

33033013009 is a wasteful number, since it uses less digits than its factorization.

33033013009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459794.

The product of its (nonzero) digits is 2187, while the sum is 25.

The spelling of 33033013009 in words is "thirty-three billion, thirty-three million, thirteen thousand, nine".