13403203439 has 2 divisors, whose sum is σ = 13403203440. Its totient is φ = 13403203438.

The previous prime is 13403203409. The next prime is 13403203447. The reversal of 13403203439 is 93430230431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13403203439 - 2¹⁶ = 13403137903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403203409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701601719 + 6701601720.

It is an arithmetic number, because the mean of its divisors is an integer number (6701601720).

Almost surely, 2^13403203439 is an apocalyptic number.

13403203439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403203439 is an equidigital number, since it uses as much as digits as its factorization.

13403203439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 13403203439 in words is "thirteen billion, four hundred three million, two hundred three thousand, four hundred thirty-nine".