4444310310421 has 2 divisors, whose sum is σ = 4444310310422. Its totient is φ = 4444310310420.

The previous prime is 4444310310389. The next prime is 4444310310463. The reversal of 4444310310421 is 1240130134444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4299978702321 + 144331608100 = 2073639^2 + 379910^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444310310421 - 2⁵ = 4444310310389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444310310821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222155155210 + 2222155155211.

It is an arithmetic number, because the mean of its divisors is an integer number (2222155155211).

Almost surely, 2^{4444310310421} is an apocalyptic number.

It is an amenable number.

4444310310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444310310421 is an equidigital number, since it uses as much as digits as its factorization.

4444310310421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4444310310421 its reverse (1240130134444), we get a palindrome (5684440444865).

The spelling of 4444310310421 in words is "four trillion, four hundred forty-four billion, three hundred ten million, three hundred ten thousand, four hundred twenty-one".