13826438863 has 4 divisors (see below), whose sum is σ = 13827389688. Its totient is φ = 13825488040.

The previous prime is 13826438831. The next prime is 13826438881. The reversal of 13826438863 is 36883462831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36883462831 = 149 ⋅247540019.

It is a cyclic number.

It is not a de Polignac number, because 13826438863 - 2⁵ = 13826438831 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 13826438863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826438363) 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, 453256 + ... + 482797.

It is an arithmetic number, because the mean of its divisors is an integer number (3456847422).

Almost surely, 2^13826438863 is an apocalyptic number.

13826438863 is a deficient number, since it is larger than the sum of its proper divisors (950825).

13826438863 is an equidigital number, since it uses as much as digits as its factorization.

13826438863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950824.

The product of its digits is 3981312, while the sum is 52.

The spelling of 13826438863 in words is "thirteen billion, eight hundred twenty-six million, four hundred thirty-eight thousand, eight hundred sixty-three".