13813658459 has 4 divisors (see below), whose sum is σ = 14150577000. Its totient is φ = 13476739920.

The previous prime is 13813658449. The next prime is 13813658461. The reversal of 13813658459 is 95485631831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95485631831 = 167249 ⋅570919.

It is a cyclic number.

It is not a de Polignac number, because 13813658459 - 2²⁴ = 13796881243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13813658459.

It is not an unprimeable number, because it can be changed into a prime (13813658449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168459209 + ... + 168459290.

It is an arithmetic number, because the mean of its divisors is an integer number (3537644250).

Almost surely, 2^13813658459 is an apocalyptic number.

13813658459 is a deficient number, since it is larger than the sum of its proper divisors (336918541).

13813658459 is an equidigital number, since it uses as much as digits as its factorization.

13813658459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336918540.

The product of its digits is 3110400, while the sum is 53.

The spelling of 13813658459 in words is "thirteen billion, eight hundred thirteen million, six hundred fifty-eight thousand, four hundred fifty-nine".