4424413440121 has 4 divisors (see below), whose sum is σ = 4424765238772. Its totient is φ = 4424061641472.

The previous prime is 4424413440071. The next prime is 4424413440137. The reversal of 4424413440121 is 1210443144244.

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 3977487764496 + 446925675625 = 1994364^2 + 668525^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424413440121 - 2⁹ = 4424413439609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4424413440191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175880460 + ... + 175905613.

It is an arithmetic number, because the mean of its divisors is an integer number (1106191309693).

Almost surely, 2^{4424413440121} is an apocalyptic number.

It is an amenable number.

4424413440121 is a deficient number, since it is larger than the sum of its proper divisors (351798651).

4424413440121 is a wasteful number, since it uses less digits than its factorization.

4424413440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351798650.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 4424413440121 its reverse (1210443144244), we get a palindrome (5634856584365).

The spelling of 4424413440121 in words is "four trillion, four hundred twenty-four billion, four hundred thirteen million, four hundred forty thousand, one hundred twenty-one".