2009251392 has 28 divisors (see below), whose sum is σ = 5316144816. Its totient is φ = 669750400.

The previous prime is 2009251381. The next prime is 2009251417. The reversal of 2009251392 is 2931529002.

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, 5232234 + ... + 5232617.

Almost surely, 2^2009251392 is an apocalyptic number.

It is an amenable number.

2009251392 is an abundant number, since it is smaller than the sum of its proper divisors (3306893424).

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

2009251392 is a wasteful number, since it uses less digits than its factorization.

2009251392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464866 (or 10464856 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2009251392 is about 44824.6739196171. The cubic root of 2009251392 is about 1261.8607327546.

The spelling of 2009251392 in words is "two billion, nine million, two hundred fifty-one thousand, three hundred ninety-two".