10065320209 has 4 divisors (see below), whose sum is σ = 11503223104. Its totient is φ = 8627417316.

The previous prime is 10065320171. The next prime is 10065320249. The reversal of 10065320209 is 90202356001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90202356001 = 29 ⋅3110426069.

It is not a de Polignac number, because 10065320209 - 2¹¹ = 10065318161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10065320249) 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, 718951437 + ... + 718951450.

It is an arithmetic number, because the mean of its divisors is an integer number (2875805776).

Almost surely, 2^10065320209 is an apocalyptic number.

It is an amenable number.

10065320209 is a deficient number, since it is larger than the sum of its proper divisors (1437902895).

10065320209 is an equidigital number, since it uses as much as digits as its factorization.

10065320209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437902894.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 10065320209 in words is "ten billion, sixty-five million, three hundred twenty thousand, two hundred nine".