13530265349 has 2 divisors, whose sum is σ = 13530265350. Its totient is φ = 13530265348.

The previous prime is 13530265289. The next prime is 13530265451. The reversal of 13530265349 is 94356203531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10038637249 + 3491628100 = 100193^2 + 59090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530265349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530265649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765132674 + 6765132675.

It is an arithmetic number, because the mean of its divisors is an integer number (6765132675).

Almost surely, 2^13530265349 is an apocalyptic number.

It is an amenable number.

13530265349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530265349 is an equidigital number, since it uses as much as digits as its factorization.

13530265349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 13530265349 in words is "thirteen billion, five hundred thirty million, two hundred sixty-five thousand, three hundred forty-nine".