4144221463 has 2 divisors, whose sum is σ = 4144221464. Its totient is φ = 4144221462.

The previous prime is 4144221451. The next prime is 4144221491. The reversal of 4144221463 is 3641224414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144221463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4144201463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072110731 + 2072110732.

It is an arithmetic number, because the mean of its divisors is an integer number (2072110732).

Almost surely, 2^4144221463 is an apocalyptic number.

4144221463 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144221463 is an equidigital number, since it uses as much as digits as its factorization.

4144221463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 4144221463 is about 64375.6278648993. The cubic root of 4144221463 is about 1606.2543563640.

Adding to 4144221463 its reverse (3641224414), we get a palindrome (7785445877).

The spelling of 4144221463 in words is "four billion, one hundred forty-four million, two hundred twenty-one thousand, four hundred sixty-three".