344522130021 has 48 divisors (see below), whose sum is σ = 527545614960. Its totient is φ = 216276157440.

The previous prime is 344522130019. The next prime is 344522130107. The reversal of 344522130021 is 120031225443.

344522130021 is a `hidden beast` number, since 3 + 4 + 4 + 522 + 130 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1577201796 + 342944928225 = 39714^2 + 585615^2 .

It is not a de Polignac number, because 344522130021 - 2¹ = 344522130019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344522135021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57065415 + ... + 57071451.

It is an arithmetic number, because the mean of its divisors is an integer number (10990533645).

Almost surely, 2^344522130021 is an apocalyptic number.

It is an amenable number.

344522130021 is a deficient number, since it is larger than the sum of its proper divisors (183023484939).

344522130021 is a wasteful number, since it uses less digits than its factorization.

344522130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446 (or 11443 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 344522130021 its reverse (120031225443), we get a palindrome (464553355464).

The spelling of 344522130021 in words is "three hundred forty-four billion, five hundred twenty-two million, one hundred thirty thousand, twenty-one".