2003006994305 has 4 divisors (see below), whose sum is σ = 2403608393172. Its totient is φ = 1602405595440.

The previous prime is 2003006994223. The next prime is 2003006994349. The reversal of 2003006994305 is 5034996003002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 774618255376 + 1228388738929 = 880124^2 + 1108327^2 .

It is not a de Polignac number, because 2003006994305 - 2⁸ = 2003006994049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 200300699426 + ... + 200300699435.

It is an arithmetic number, because the mean of its divisors is an integer number (600902098293).

Almost surely, 2^{2003006994305} is an apocalyptic number.

It is an amenable number.

2003006994305 is a deficient number, since it is larger than the sum of its proper divisors (400601398867).

2003006994305 is an equidigital number, since it uses as much as digits as its factorization.

2003006994305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400601398866.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 2003006994305 in words is "two trillion, three billion, six million, nine hundred ninety-four thousand, three hundred five".