3420044354521 has 8 divisors (see below), whose sum is σ = 3538126355400. Its totient is φ = 3301972316160.

The previous prime is 3420044354501. The next prime is 3420044354561. The reversal of 3420044354521 is 1254534400243.

3420044354521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 59892121 + 3419984462400 = 7739^2 + 1849320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3420044354521 - 2²¹ = 3420042257369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420044354501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788840 + ... + 3168601.

It is an arithmetic number, because the mean of its divisors is an integer number (442265794425).

Almost surely, 2^{3420044354521} is an apocalyptic number.

It is an amenable number.

3420044354521 is a deficient number, since it is larger than the sum of its proper divisors (118082000879).

3420044354521 is a wasteful number, since it uses less digits than its factorization.

3420044354521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981259.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 3420044354521 its reverse (1254534400243), we get a palindrome (4674578754764).

The spelling of 3420044354521 in words is "three trillion, four hundred twenty billion, forty-four million, three hundred fifty-four thousand, five hundred twenty-one".