13206484909 has 2 divisors, whose sum is σ = 13206484910. Its totient is φ = 13206484908.

The previous prime is 13206484891. The next prime is 13206484939. The reversal of 13206484909 is 90948460231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12360547684 + 845937225 = 111178^2 + 29085^2 .

It is an emirp because it is prime and its reverse (90948460231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13206484909 - 2¹⁵ = 13206452141 is a prime.

It is a super-2 number, since 2×13206484909² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13206484939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603242454 + 6603242455.

It is an arithmetic number, because the mean of its divisors is an integer number (6603242455).

Almost surely, 2^13206484909 is an apocalyptic number.

It is an amenable number.

13206484909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13206484909 is an equidigital number, since it uses as much as digits as its factorization.

13206484909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 13206484909 in words is "thirteen billion, two hundred six million, four hundred eighty-four thousand, nine hundred nine".