2009321299 has 4 divisors (see below), whose sum is σ = 2052072864. Its totient is φ = 1966569736.

The previous prime is 2009321257. The next prime is 2009321339. The reversal of 2009321299 is 9921239002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9921239002 = 2 ⋅4960619501.

It is a cyclic number.

It is not a de Polignac number, because 2009321299 - 2¹¹ = 2009319251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009301299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21375712 + ... + 21375805.

It is an arithmetic number, because the mean of its divisors is an integer number (513018216).

Almost surely, 2^2009321299 is an apocalyptic number.

2009321299 is a deficient number, since it is larger than the sum of its proper divisors (42751565).

2009321299 is an equidigital number, since it uses as much as digits as its factorization.

2009321299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42751564.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2009321299 is about 44825.4536954173. The cubic root of 2009321299 is about 1261.8753670401.

The spelling of 2009321299 in words is "two billion, nine million, three hundred twenty-one thousand, two hundred ninety-nine".