18622341268717 has 4 divisors (see below), whose sum is σ = 18632137347036. Its totient is φ = 18612545190400.

The previous prime is 18622341268693. The next prime is 18622341268723. The reversal of 18622341268717 is 71786214322681.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 452190347401 + 18170150921316 = 672451^2 + 4262646^2 .

It is a cyclic number.

It is not a de Polignac number, because 18622341268717 - 2¹⁹ = 18622340744429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18622341262717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4898036308 + ... + 4898040109.

It is an arithmetic number, because the mean of its divisors is an integer number (4658034336759).

Almost surely, 2^{18622341268717} is an apocalyptic number.

It is an amenable number.

18622341268717 is a deficient number, since it is larger than the sum of its proper divisors (9796078319).

18622341268717 is an equidigital number, since it uses as much as digits as its factorization.

18622341268717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796078318.

The product of its digits is 10838016, while the sum is 58.

The spelling of 18622341268717 in words is "eighteen trillion, six hundred twenty-two billion, three hundred forty-one million, two hundred sixty-eight thousand, seven hundred seventeen".