4144321501 has 2 divisors, whose sum is σ = 4144321502. Its totient is φ = 4144321500.

The previous prime is 4144321499. The next prime is 4144321507. The reversal of 4144321501 is 1051234414.

4144321501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3523016025 + 621305476 = 59355^2 + 24926^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144321501 - 2¹ = 4144321499 is a prime.

Together with 4144321499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4144321507) 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 as a sum of consecutive naturals, namely, 2072160750 + 2072160751.

It is an arithmetic number, because the mean of its divisors is an integer number (2072160751).

Almost surely, 2^4144321501 is an apocalyptic number.

It is an amenable number.

4144321501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144321501 is an equidigital number, since it uses as much as digits as its factorization.

4144321501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4144321501 is about 64376.4048468070. The cubic root of 4144321501 is about 1606.2672808004.

Adding to 4144321501 its reverse (1051234414), we get a palindrome (5195555915).

The spelling of 4144321501 in words is "four billion, one hundred forty-four million, three hundred twenty-one thousand, five hundred one".