344552000521 has 4 divisors (see below), whose sum is σ = 344562653844. Its totient is φ = 344541347200.

The previous prime is 344552000477. The next prime is 344552000531. The reversal of 344552000521 is 125000255443.

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 309176033296 + 35375967225 = 556036^2 + 188085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344552000521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344552000531) 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, 5278000 + ... + 5342881.

It is an arithmetic number, because the mean of its divisors is an integer number (86140663461).

Almost surely, 2^344552000521 is an apocalyptic number.

It is an amenable number.

344552000521 is a deficient number, since it is larger than the sum of its proper divisors (10653323).

344552000521 is a wasteful number, since it uses less digits than its factorization.

344552000521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653322.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 344552000521 its reverse (125000255443), we get a palindrome (469552255964).

The spelling of 344552000521 in words is "three hundred forty-four billion, five hundred fifty-two million, five hundred twenty-one", and thus it is an aban number.