13518743279 has 2 divisors, whose sum is σ = 13518743280. Its totient is φ = 13518743278.

The previous prime is 13518743263. The next prime is 13518743309. The reversal of 13518743279 is 97234781531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13518743279 - 2⁴ = 13518743263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13518713279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6759371639 + 6759371640.

It is an arithmetic number, because the mean of its divisors is an integer number (6759371640).

Almost surely, 2^13518743279 is an apocalyptic number.

13518743279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13518743279 is an equidigital number, since it uses as much as digits as its factorization.

13518743279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The spelling of 13518743279 in words is "thirteen billion, five hundred eighteen million, seven hundred forty-three thousand, two hundred seventy-nine".