2009331930 has 16 divisors (see below), whose sum is σ = 4822396704. Its totient is φ = 535821840.

The previous prime is 2009331923. The next prime is 2009331959. The reversal of 2009331930 is 391339002.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 66977731 = 2009331930 / (2 + 0 + 0 + 9 + 3 + 3 + 1 + 9 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33488836 + ... + 33488895.

It is an arithmetic number, because the mean of its divisors is an integer number (301399794).

Almost surely, 2^2009331930 is an apocalyptic number.

2009331930 is an abundant number, since it is smaller than the sum of its proper divisors (2813064774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009331930 is a wasteful number, since it uses less digits than its factorization.

2009331930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66977741.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 2009331930 is about 44825.5722774400. The cubic root of 2009331930 is about 1261.8775924969.

The spelling of 2009331930 in words is "two billion, nine million, three hundred thirty-one thousand, nine hundred thirty".