13201322009 has 2 divisors, whose sum is σ = 13201322010. Its totient is φ = 13201322008.

The previous prime is 13201322003. The next prime is 13201322047. The reversal of 13201322009 is 90022310231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11930755984 + 1270566025 = 109228^2 + 35645^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201322009 - 2³² = 8906354713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13201322003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600661004 + 6600661005.

It is an arithmetic number, because the mean of its divisors is an integer number (6600661005).

Almost surely, 2^13201322009 is an apocalyptic number.

It is an amenable number.

13201322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201322009 is an equidigital number, since it uses as much as digits as its factorization.

13201322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 13201322009 in words is "thirteen billion, two hundred one million, three hundred twenty-two thousand, nine".