444144212011 has 4 divisors (see below), whose sum is σ = 444146790024. Its totient is φ = 444141634000.

The previous prime is 444144211993. The next prime is 444144212027. The reversal of 444144212011 is 110212441444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444144212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444144212311) 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, 1010530 + ... + 1381831.

It is an arithmetic number, because the mean of its divisors is an integer number (111036697506).

Almost surely, 2^444144212011 is an apocalyptic number.

444144212011 is a deficient number, since it is larger than the sum of its proper divisors (2578013).

444144212011 is a wasteful number, since it uses less digits than its factorization.

444144212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578012.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 444144212011 its reverse (110212441444), we get a palindrome (554356653455).

The spelling of 444144212011 in words is "four hundred forty-four billion, one hundred forty-four million, two hundred twelve thousand, eleven".