2001033329 has 2 divisors, whose sum is σ = 2001033330. Its totient is φ = 2001033328.

The previous prime is 2001033301. The next prime is 2001033341. The reversal of 2001033329 is 9233301002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1907330929 + 93702400 = 43673^2 + 9680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001033329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2001033029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000516664 + 1000516665.

It is an arithmetic number, because the mean of its divisors is an integer number (1000516665).

Almost surely, 2^2001033329 is an apocalyptic number.

It is an amenable number.

2001033329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001033329 is an equidigital number, since it uses as much as digits as its factorization.

2001033329 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 23.

The square root of 2001033329 is about 44732.9110275645. The cubic root of 2001033329 is about 1260.1379980291.

The spelling of 2001033329 in words is "two billion, one million, thirty-three thousand, three hundred twenty-nine".