1443381077993 has 2 divisors, whose sum is σ = 1443381077994. Its totient is φ = 1443381077992.

The previous prime is 1443381077977. The next prime is 1443381078001. The reversal of 1443381077993 is 3997701833441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930090505744 + 513290572249 = 964412^2 + 716443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443381077993 - 2⁴ = 1443381077977 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 (1443381077933) 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, 721690538996 + 721690538997.

It is an arithmetic number, because the mean of its divisors is an integer number (721690538997).

Almost surely, 2^{1443381077993} is an apocalyptic number.

It is an amenable number.

1443381077993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443381077993 is an equidigital number, since it uses as much as digits as its factorization.

1443381077993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 1443381077993 in words is "one trillion, four hundred forty-three billion, three hundred eighty-one million, seventy-seven thousand, nine hundred ninety-three".