2009831330 has 16 divisors (see below), whose sum is σ = 3895980984. Its totient is φ = 742091520.

The previous prime is 2009831323. The next prime is 2009831371. The reversal of 2009831330 is 331389002.

It can be written as a sum of positive squares in 4 ways, for example, as 1496219761 + 513611569 = 38681^2 + 22663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2009831293 and 2009831302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7729991 + ... + 7730250.

Almost surely, 2^2009831330 is an apocalyptic number.

2009831330 is a deficient number, since it is larger than the sum of its proper divisors (1886149654).

2009831330 is a wasteful number, since it uses less digits than its factorization.

2009831330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460261.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2009831330 is about 44831.1424123901. The cubic root of 2009831330 is about 1261.9821263238.

The spelling of 2009831330 in words is "two billion, nine million, eight hundred thirty-one thousand, three hundred thirty".