10320001609 has 2 divisors, whose sum is σ = 10320001610. Its totient is φ = 10320001608.

The previous prime is 10320001607. The next prime is 10320001613. The reversal of 10320001609 is 90610002301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10175160384 + 144841225 = 100872^2 + 12035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10320001609 - 2¹ = 10320001607 is a prime.

Together with 10320001607, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10320001609.

It is not a weakly prime, because it can be changed into another prime (10320001607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160000804 + 5160000805.

It is an arithmetic number, because the mean of its divisors is an integer number (5160000805).

Almost surely, 2^10320001609 is an apocalyptic number.

It is an amenable number.

10320001609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320001609 is an equidigital number, since it uses as much as digits as its factorization.

10320001609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10320001609 in words is "ten billion, three hundred twenty million, one thousand, six hundred nine".