34444021321 has 4 divisors (see below), whose sum is σ = 35284119444. Its totient is φ = 33603923200.

The previous prime is 34444021319. The next prime is 34444021349. The reversal of 34444021321 is 12312044443.

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 932691600 + 33511329721 = 30540^2 + 183061^2 .

It is a cyclic number.

It is not a de Polignac number, because 34444021321 - 2¹ = 34444021319 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 34444021321.

It is not an unprimeable number, because it can be changed into a prime (34444021301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420049000 + ... + 420049081.

It is an arithmetic number, because the mean of its divisors is an integer number (8821029861).

Almost surely, 2^34444021321 is an apocalyptic number.

It is an amenable number.

34444021321 is a deficient number, since it is larger than the sum of its proper divisors (840098123).

34444021321 is an equidigital number, since it uses as much as digits as its factorization.

34444021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840098122.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 34444021321 its reverse (12312044443), we get a palindrome (46756065764).

The spelling of 34444021321 in words is "thirty-four billion, four hundred forty-four million, twenty-one thousand, three hundred twenty-one".