4434304021387 has 2 divisors, whose sum is σ = 4434304021388. Its totient is φ = 4434304021386.

The previous prime is 4434304021309. The next prime is 4434304021403. The reversal of 4434304021387 is 7831204034344.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4434304021387 is a prime.

It is not a weakly prime, because it can be changed into another prime (4434304061387) 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, 2217152010693 + 2217152010694.

It is an arithmetic number, because the mean of its divisors is an integer number (2217152010694).

Almost surely, 2^{4434304021387} is an apocalyptic number.

4434304021387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4434304021387 is an equidigital number, since it uses as much as digits as its factorization.

4434304021387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 4434304021387 in words is "four trillion, four hundred thirty-four billion, three hundred four million, twenty-one thousand, three hundred eighty-seven".