201444212441 has 4 divisors (see below), whose sum is σ = 205245046692. Its totient is φ = 197643378192.

The previous prime is 201444212419. The next prime is 201444212443. The reversal of 201444212441 is 144212444102.

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 159024690841 + 42419521600 = 398779^2 + 205960^2 .

It is a cyclic number.

It is not a de Polignac number, because 201444212441 - 2¹⁰ = 201444211417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201444212443) 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, 1900417046 + ... + 1900417151.

It is an arithmetic number, because the mean of its divisors is an integer number (51311261673).

Almost surely, 2^201444212441 is an apocalyptic number.

It is an amenable number.

201444212441 is a deficient number, since it is larger than the sum of its proper divisors (3800834251).

201444212441 is an equidigital number, since it uses as much as digits as its factorization.

201444212441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800834250.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 201444212441 its reverse (144212444102), we get a palindrome (345656656543).

The spelling of 201444212441 in words is "two hundred one billion, four hundred forty-four million, two hundred twelve thousand, four hundred forty-one".