4440031430993 has 2 divisors, whose sum is σ = 4440031430994. Its totient is φ = 4440031430992.

The previous prime is 4440031430959. The next prime is 4440031430999. The reversal of 4440031430993 is 3990341300444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2754116159809 + 1685915271184 = 1659553^2 + 1298428^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440031430993 - 2¹⁸ = 4440031168849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4440031430999) 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, 2220015715496 + 2220015715497.

It is an arithmetic number, because the mean of its divisors is an integer number (2220015715497).

Almost surely, 2^{4440031430993} is an apocalyptic number.

It is an amenable number.

4440031430993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440031430993 is an equidigital number, since it uses as much as digits as its factorization.

4440031430993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 4440031430993 in words is "four trillion, four hundred forty billion, thirty-one million, four hundred thirty thousand, nine hundred ninety-three".