13403443013 has 2 divisors, whose sum is σ = 13403443014. Its totient is φ = 13403443012.

The previous prime is 13403442989. The next prime is 13403443117. The reversal of 13403443013 is 31034430431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12315894529 + 1087548484 = 110977^2 + 32978^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403443013 - 2¹⁴ = 13403426629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403463013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701721506 + 6701721507.

It is an arithmetic number, because the mean of its divisors is an integer number (6701721507).

Almost surely, 2^13403443013 is an apocalyptic number.

It is an amenable number.

13403443013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403443013 is an equidigital number, since it uses as much as digits as its factorization.

13403443013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13403443013 its reverse (31034430431), we get a palindrome (44437873444).

The spelling of 13403443013 in words is "thirteen billion, four hundred three million, four hundred forty-three thousand, thirteen".