2009923996 has 12 divisors (see below), whose sum is σ = 3638655720. Its totient is φ = 970308080.

The previous prime is 2009923859. The next prime is 2009924003. The reversal of 2009923996 is 6993299002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8663350 + ... + 8663581.

It is an arithmetic number, because the mean of its divisors is an integer number (303221310).

Almost surely, 2^2009923996 is an apocalyptic number.

It is an amenable number.

2009923996 is a deficient number, since it is larger than the sum of its proper divisors (1628731724).

2009923996 is a wasteful number, since it uses less digits than its factorization.

2009923996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326964 (or 17326962 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 2009923996 is about 44832.1759007970. The cubic root of 2009923996 is about 1262.0015211584.

The spelling of 2009923996 in words is "two billion, nine million, nine hundred twenty-three thousand, nine hundred ninety-six".