2009210073 has 12 divisors (see below), whose sum is σ = 2900872080. Its totient is φ = 1236436656.

The previous prime is 2009210041. The next prime is 2009210083. The reversal of 2009210073 is 3700129002.

It is not a de Polignac number, because 2009210073 - 2⁵ = 2009210041 is a prime.

It is a super-3 number, since 3×2009210073³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2009210033) 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 in 11 ways as a sum of consecutive naturals, for example, 1980963 + ... + 1981976.

It is an arithmetic number, because the mean of its divisors is an integer number (241739340).

Almost surely, 2^2009210073 is an apocalyptic number.

It is an amenable number.

2009210073 is a deficient number, since it is larger than the sum of its proper divisors (891662007).

2009210073 is a wasteful number, since it uses less digits than its factorization.

2009210073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962968 (or 3962955 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2009210073 is about 44824.2130215356. The cubic root of 2009210073 is about 1261.8520829027.

Adding to 2009210073 its reverse (3700129002), we get a palindrome (5709339075).

The spelling of 2009210073 in words is "two billion, nine million, two hundred ten thousand, seventy-three".