2001233369 has 2 divisors, whose sum is σ = 2001233370. Its totient is φ = 2001233368.

The previous prime is 2001233347. The next prime is 2001233371. The reversal of 2001233369 is 9633321002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1486488025 + 514745344 = 38555^2 + 22688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001233369 is a prime.

It is a super-2 number, since 2×2001233369² = 8009869994398180322, which contains 22 as substring.

Together with 2001233371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2001233309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000616684 + 1000616685.

It is an arithmetic number, because the mean of its divisors is an integer number (1000616685).

Almost surely, 2^2001233369 is an apocalyptic number.

It is an amenable number.

2001233369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001233369 is an equidigital number, since it uses as much as digits as its factorization.

2001233369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 2001233369 is about 44735.1469093374. The cubic root of 2001233369 is about 1260.1799879354.

The spelling of 2001233369 in words is "two billion, one million, two hundred thirty-three thousand, three hundred sixty-nine".