1000001004403 has 2 divisors, whose sum is σ = 1000001004404. Its totient is φ = 1000001004402.

The previous prime is 1000001004367. The next prime is 1000001004407. The reversal of 1000001004403 is 3044001000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001004403 - 2¹⁷ = 1000000873331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000001004407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000502201 + 500000502202.

It is an arithmetic number, because the mean of its divisors is an integer number (500000502202).

Almost surely, 2^{1000001004403} is an apocalyptic number.

1000001004403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001004403 is an equidigital number, since it uses as much as digits as its factorization.

1000001004403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1000001004403 its reverse (3044001000001), we get a palindrome (4044002004404).

The spelling of 1000001004403 in words is "one trillion, one million, four thousand, four hundred three".