13403142439 has 2 divisors, whose sum is σ = 13403142440. Its totient is φ = 13403142438.

The previous prime is 13403142437. The next prime is 13403142463. The reversal of 13403142439 is 93424130431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13403142439 - 2¹ = 13403142437 is a prime.

Together with 13403142437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701571219 + 6701571220.

It is an arithmetic number, because the mean of its divisors is an integer number (6701571220).

Almost surely, 2^13403142439 is an apocalyptic number.

13403142439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403142439 is an equidigital number, since it uses as much as digits as its factorization.

13403142439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 13403142439 in words is "thirteen billion, four hundred three million, one hundred forty-two thousand, four hundred thirty-nine".