1004003999993 has 2 divisors, whose sum is σ = 1004003999994. Its totient is φ = 1004003999992.

The previous prime is 1004003999881. The next prime is 1004004000007. The reversal of 1004003999993 is 3999993004001.

It is a happy number.

1004003999993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855203251984 + 148800748009 = 924772^2 + 385747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004003999993 - 2¹⁰ = 1004003998969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004003999393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502001999996 + 502001999997.

It is an arithmetic number, because the mean of its divisors is an integer number (502001999997).

Almost surely, 2^{1004003999993} is an apocalyptic number.

It is an amenable number.

1004003999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004003999993 is an equidigital number, since it uses as much as digits as its factorization.

1004003999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2125764, while the sum is 56.

The spelling of 1004003999993 in words is "one trillion, four billion, three million, nine hundred ninety-nine thousand, nine hundred ninety-three".