13422231843815 has 4 divisors (see below), whose sum is σ = 16106678212584. Its totient is φ = 10737785475048.

The previous prime is 13422231843799. The next prime is 13422231843847. The reversal of 13422231843815 is 51834813222431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13422231843815 - 2⁴ = 13422231843799 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 13422231843815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342223184377 + ... + 1342223184386.

It is an arithmetic number, because the mean of its divisors is an integer number (4026669553146).

Almost surely, 2^{13422231843815} is an apocalyptic number.

13422231843815 is a deficient number, since it is larger than the sum of its proper divisors (2684446368769).

13422231843815 is an equidigital number, since it uses as much as digits as its factorization.

13422231843815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684446368768.

The product of its digits is 1105920, while the sum is 47.

The spelling of 13422231843815 in words is "thirteen trillion, four hundred twenty-two billion, two hundred thirty-one million, eight hundred forty-three thousand, eight hundred fifteen".