13530544019 has 2 divisors, whose sum is σ = 13530544020. Its totient is φ = 13530544018.

The previous prime is 13530544003. The next prime is 13530544031. The reversal of 13530544019 is 91044503531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530544019 - 2⁴ = 13530544003 is a prime.

It is a super-2 number, since 2×13530544019² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13530544019.

It is not a weakly prime, because it can be changed into another prime (13530544039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765272009 + 6765272010.

It is an arithmetic number, because the mean of its divisors is an integer number (6765272010).

Almost surely, 2^13530544019 is an apocalyptic number.

13530544019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530544019 is an equidigital number, since it uses as much as digits as its factorization.

13530544019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 13530544019 in words is "thirteen billion, five hundred thirty million, five hundred forty-four thousand, nineteen".