2010443309 has 4 divisors (see below), whose sum is σ = 2297649504. Its totient is φ = 1723237116.

The previous prime is 2010443293. The next prime is 2010443311. The reversal of 2010443309 is 9033440102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010443309 - 2⁴ = 2010443293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010443389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143603087 + ... + 143603100.

It is an arithmetic number, because the mean of its divisors is an integer number (574412376).

Almost surely, 2^2010443309 is an apocalyptic number.

It is an amenable number.

2010443309 is a deficient number, since it is larger than the sum of its proper divisors (287206195).

2010443309 is an equidigital number, since it uses as much as digits as its factorization.

2010443309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287206194.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2010443309 is about 44837.9672710528. The cubic root of 2010443309 is about 1262.1102014470.

The spelling of 2010443309 in words is "two billion, ten million, four hundred forty-three thousand, three hundred nine".