2009504269 has 4 divisors (see below), whose sum is σ = 2013807744. Its totient is φ = 2005200796.

The previous prime is 2009504257. The next prime is 2009504291. The reversal of 2009504269 is 9624059002.

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 2009504269 - 2¹³ = 2009496077 is a prime.

It is a super-2 number, since 2×2009504269² = 8076214814258448722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009504249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2151037 + ... + 2151970.

It is an arithmetic number, because the mean of its divisors is an integer number (503451936).

Almost surely, 2^2009504269 is an apocalyptic number.

It is an amenable number.

2009504269 is a deficient number, since it is larger than the sum of its proper divisors (4303475).

2009504269 is an equidigital number, since it uses as much as digits as its factorization.

2009504269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303474.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2009504269 is about 44827.4945652777. The cubic root of 2009504269 is about 1261.9136682529.

The spelling of 2009504269 in words is "two billion, nine million, five hundred four thousand, two hundred sixty-nine".