344041344421 has 4 divisors (see below), whose sum is σ = 344062786732. Its totient is φ = 344019902112.

The previous prime is 344041344419. The next prime is 344041344557. The reversal of 344041344421 is 124443140443.

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 239737536900 + 104303807521 = 489630^2 + 322961^2 .

It is a cyclic number.

It is not a de Polignac number, because 344041344421 - 2¹ = 344041344419 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 (344041344121) 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, 10697070 + ... + 10729183.

It is an arithmetic number, because the mean of its divisors is an integer number (86015696683).

Almost surely, 2^344041344421 is an apocalyptic number.

It is an amenable number.

344041344421 is a deficient number, since it is larger than the sum of its proper divisors (21442311).

344041344421 is a wasteful number, since it uses less digits than its factorization.

344041344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21442310.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 344041344421 its reverse (124443140443), we get a palindrome (468484484864).

The spelling of 344041344421 in words is "three hundred forty-four billion, forty-one million, three hundred forty-four thousand, four hundred twenty-one".