344221140433 has 4 divisors (see below), whose sum is σ = 344640411828. Its totient is φ = 343801869040.

The previous prime is 344221140391. The next prime is 344221140457. The reversal of 344221140433 is 334041122443.

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 193733783104 + 150487357329 = 440152^2 + 387927^2 .

It is a cyclic number.

It is not a de Polignac number, because 344221140433 - 2²¹ = 344219043281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344221140395 and 344221140404.

It is not an unprimeable number, because it can be changed into a prime (344221140463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209634466 + ... + 209636107.

It is an arithmetic number, because the mean of its divisors is an integer number (86160102957).

Almost surely, 2^344221140433 is an apocalyptic number.

It is an amenable number.

344221140433 is a deficient number, since it is larger than the sum of its proper divisors (419271395).

344221140433 is an equidigital number, since it uses as much as digits as its factorization.

344221140433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419271394.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 344221140433 its reverse (334041122443), we get a palindrome (678262262876).

The spelling of 344221140433 in words is "three hundred forty-four billion, two hundred twenty-one million, one hundred forty thousand, four hundred thirty-three".