13469135609 has 2 divisors, whose sum is σ = 13469135610. Its totient is φ = 13469135608.

The previous prime is 13469135597. The next prime is 13469135671. The reversal of 13469135609 is 90653196431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13369834384 + 99301225 = 115628^2 + 9965^2 .

It is a cyclic number.

It is not a de Polignac number, because 13469135609 - 2¹² = 13469131513 is a prime.

It is a super-2 number, since 2×13469135609² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13469135689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6734567804 + 6734567805.

It is an arithmetic number, because the mean of its divisors is an integer number (6734567805).

Almost surely, 2^13469135609 is an apocalyptic number.

It is an amenable number.

13469135609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13469135609 is an equidigital number, since it uses as much as digits as its factorization.

13469135609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 13469135609 in words is "thirteen billion, four hundred sixty-nine million, one hundred thirty-five thousand, six hundred nine".