1004043403361 has 2 divisors, whose sum is σ = 1004043403362. Its totient is φ = 1004043403360.

The previous prime is 1004043403333. The next prime is 1004043403379. The reversal of 1004043403361 is 1633043404001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926706574336 + 77336829025 = 962656^2 + 278095^2 .

It is an emirp because it is prime and its reverse (1633043404001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004043403361 - 2¹⁰ = 1004043402337 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 (1004043403381) 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, 502021701680 + 502021701681.

It is an arithmetic number, because the mean of its divisors is an integer number (502021701681).

Almost surely, 2^{1004043403361} is an apocalyptic number.

It is an amenable number.

1004043403361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004043403361 is an equidigital number, since it uses as much as digits as its factorization.

1004043403361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1004043403361 its reverse (1633043404001), we get a palindrome (2637086807362).

The spelling of 1004043403361 in words is "one trillion, four billion, forty-three million, four hundred three thousand, three hundred sixty-one".