13452443219 has 2 divisors, whose sum is σ = 13452443220. Its totient is φ = 13452443218.

The previous prime is 13452443197. The next prime is 13452443269. The reversal of 13452443219 is 91234425431.

It is a weak prime.

It is an emirp because it is prime and its reverse (91234425431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13452443219 - 2²⁰ = 13451394643 is a prime.

It is a super-2 number, since 2×13452443219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13452443269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726221609 + 6726221610.

It is an arithmetic number, because the mean of its divisors is an integer number (6726221610).

Almost surely, 2^13452443219 is an apocalyptic number.

13452443219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452443219 is an equidigital number, since it uses as much as digits as its factorization.

13452443219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The spelling of 13452443219 in words is "thirteen billion, four hundred fifty-two million, four hundred forty-three thousand, two hundred nineteen".