14444221153 has 2 divisors, whose sum is σ = 14444221154. Its totient is φ = 14444221152.

The previous prime is 14444221109. The next prime is 14444221177. The reversal of 14444221153 is 35112244441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9076753984 + 5367467169 = 95272^2 + 73263^2 .

It is a cyclic number.

It is not a de Polignac number, because 14444221153 - 2²¹ = 14442124001 is a prime.

It is not a weakly prime, because it can be changed into another prime (14444225153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222110576 + 7222110577.

It is an arithmetic number, because the mean of its divisors is an integer number (7222110577).

Almost surely, 2^14444221153 is an apocalyptic number.

It is an amenable number.

14444221153 is a deficient number, since it is larger than the sum of its proper divisors (1).

14444221153 is an equidigital number, since it uses as much as digits as its factorization.

14444221153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

Adding to 14444221153 its reverse (35112244441), we get a palindrome (49556465594).

The spelling of 14444221153 in words is "fourteen billion, four hundred forty-four million, two hundred twenty-one thousand, one hundred fifty-three".