344444304002021 has 4 divisors (see below), whose sum is σ = 345011757551232. Its totient is φ = 343876850452812.

The previous prime is 344444304001951. The next prime is 344444304002027. The reversal of 344444304002021 is 120200403444443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 344444304002021 - 2¹⁰ = 344444304000997 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 (344444304002027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283726773695 + ... + 283726774908.

It is an arithmetic number, because the mean of its divisors is an integer number (86252939387808).

Almost surely, 2^{344444304002021} is an apocalyptic number.

It is an amenable number.

344444304002021 is a deficient number, since it is larger than the sum of its proper divisors (567453549211).

344444304002021 is an equidigital number, since it uses as much as digits as its factorization.

344444304002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567453549210.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 344444304002021 its reverse (120200403444443), we get a palindrome (464644707446464).

The spelling of 344444304002021 in words is "three hundred forty-four trillion, four hundred forty-four billion, three hundred four million, two thousand, twenty-one".