13443466513 has 2 divisors, whose sum is σ = 13443466514. Its totient is φ = 13443466512.

The previous prime is 13443466493. The next prime is 13443466537. The reversal of 13443466513 is 31566434431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13333782784 + 109683729 = 115472^2 + 10473^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443466513 - 2⁵ = 13443466481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13443466313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721733256 + 6721733257.

It is an arithmetic number, because the mean of its divisors is an integer number (6721733257).

Almost surely, 2^13443466513 is an apocalyptic number.

It is an amenable number.

13443466513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443466513 is an equidigital number, since it uses as much as digits as its factorization.

13443466513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The spelling of 13443466513 in words is "thirteen billion, four hundred forty-three million, four hundred sixty-six thousand, five hundred thirteen".