2009451084 has 24 divisors (see below), whose sum is σ = 4690097328. Its totient is φ = 669620160.

The previous prime is 2009451013. The next prime is 2009451107. The reversal of 2009451084 is 4801549002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21354 + ... + 66894.

It is an arithmetic number, because the mean of its divisors is an integer number (195420722).

Almost surely, 2^2009451084 is an apocalyptic number.

It is an amenable number.

2009451084 is an abundant number, since it is smaller than the sum of its proper divisors (2680646244).

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

2009451084 is a wasteful number, since it uses less digits than its factorization.

2009451084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49225 (or 49223 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2009451084 is about 44826.9013428321. The cubic root of 2009451084 is about 1261.9025352467.

The spelling of 2009451084 in words is "two billion, nine million, four hundred fifty-one thousand, eighty-four".