344197888817 has 4 divisors (see below), whose sum is σ = 350692188660. Its totient is φ = 337703588976.

The previous prime is 344197888763. The next prime is 344197888843. The reversal of 344197888817 is 718888791443.

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 259423160896 + 84774727921 = 509336^2 + 291161^2 .

It is a cyclic number.

It is not a de Polignac number, because 344197888817 - 2¹⁴ = 344197872433 is a prime.

It is a super-3 number, since 3×344197888817³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344197888117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247149842 + ... + 3247149947.

It is an arithmetic number, because the mean of its divisors is an integer number (87673047165).

Almost surely, 2^344197888817 is an apocalyptic number.

It is an amenable number.

344197888817 is a deficient number, since it is larger than the sum of its proper divisors (6494299843).

344197888817 is an equidigital number, since it uses as much as digits as its factorization.

344197888817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494299842.

The product of its digits is 86704128, while the sum is 68.

The spelling of 344197888817 in words is "three hundred forty-four billion, one hundred ninety-seven million, eight hundred eighty-eight thousand, eight hundred seventeen".