2003444087393 has 16 divisors (see below), whose sum is σ = 2317319571840. Its totient is φ = 1696487383296.

The previous prime is 2003444087371. The next prime is 2003444087431. The reversal of 2003444087393 is 3937804443002.

It is a cyclic number.

It is not a de Polignac number, because 2003444087393 - 2¹⁴ = 2003444071009 is a prime.

It is a super-2 number, since 2×2003444087393² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003444987393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24696743 + ... + 24777731.

It is an arithmetic number, because the mean of its divisors is an integer number (144832473240).

Almost surely, 2^{2003444087393} is an apocalyptic number.

It is an amenable number.

2003444087393 is a deficient number, since it is larger than the sum of its proper divisors (313875484447).

2003444087393 is an equidigital number, since it uses as much as digits as its factorization.

2003444087393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123656.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 2003444087393 in words is "two trillion, three billion, four hundred forty-four million, eighty-seven thousand, three hundred ninety-three".