33002023009 has 2 divisors, whose sum is σ = 33002023010. Its totient is φ = 33002023008.

The previous prime is 33002022971. The next prime is 33002023049. The reversal of 33002023009 is 90032020033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20801715984 + 12200307025 = 144228^2 + 110455^2 .

It is an emirp because it is prime and its reverse (90032020033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33002023009 is a prime.

It is not a weakly prime, because it can be changed into another prime (33002023049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16501011504 + 16501011505.

It is an arithmetic number, because the mean of its divisors is an integer number (16501011505).

Almost surely, 2^33002023009 is an apocalyptic number.

It is an amenable number.

33002023009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33002023009 is an equidigital number, since it uses as much as digits as its factorization.

33002023009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The spelling of 33002023009 in words is "thirty-three billion, two million, twenty-three thousand, nine".