2009125194 has 16 divisors (see below), whose sum is σ = 4018697760. Its totient is φ = 669633840.

The previous prime is 2009125147. The next prime is 2009125201. The reversal of 2009125194 is 4915219002.

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, 79452 + ... + 101640.

It is an arithmetic number, because the mean of its divisors is an integer number (251168610).

Almost surely, 2^2009125194 is an apocalyptic number.

2009125194 is an abundant number, since it is smaller than the sum of its proper divisors (2009572566).

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

2009125194 is a wasteful number, since it uses less digits than its factorization.

2009125194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37285.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2009125194 is about 44823.2662129836. The cubic root of 2009125194 is about 1261.8343136887.

The spelling of 2009125194 in words is "two billion, nine million, one hundred twenty-five thousand, one hundred ninety-four".