2009358917 has 8 divisors (see below), whose sum is σ = 2054557440. Its totient is φ = 1964654640.

The previous prime is 2009358829. The next prime is 2009358947. The reversal of 2009358917 is 7198539002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2009358917 - 2¹² = 2009354821 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 (2009358947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115334 + ... + 131607.

It is an arithmetic number, because the mean of its divisors is an integer number (256819680).

Almost surely, 2^2009358917 is an apocalyptic number.

It is an amenable number.

2009358917 is a deficient number, since it is larger than the sum of its proper divisors (45198523).

2009358917 is a wasteful number, since it uses less digits than its factorization.

2009358917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247123.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 2009358917 is about 44825.8732987992. The cubic root of 2009358917 is about 1261.8832418270.

The spelling of 2009358917 in words is "two billion, nine million, three hundred fifty-eight thousand, nine hundred seventeen".