2009125373 has 4 divisors (see below), whose sum is σ = 2009531328. Its totient is φ = 2008719420.

The previous prime is 2009125351. The next prime is 2009125441. The reversal of 2009125373 is 3735219002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2009125373 - 2¹⁶ = 2009059837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009125333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195461 + ... + 205482.

It is an arithmetic number, because the mean of its divisors is an integer number (502382832).

Almost surely, 2^2009125373 is an apocalyptic number.

It is an amenable number.

2009125373 is a deficient number, since it is larger than the sum of its proper divisors (405955).

2009125373 is an equidigital number, since it uses as much as digits as its factorization.

2009125373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405954.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2009125373 is about 44823.2682097145. The cubic root of 2009125373 is about 1261.8343511625.

The spelling of 2009125373 in words is "two billion, nine million, one hundred twenty-five thousand, three hundred seventy-three".