2003445350403 has 32 divisors (see below), whose sum is σ = 3107065835520. Its totient is φ = 1124597342880.

The previous prime is 2003445350329. The next prime is 2003445350447. The reversal of 2003445350403 is 3040535443002.

It is a happy number.

It is not a de Polignac number, because 2003445350403 - 2¹⁸ = 2003445088259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003445310403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478053 + ... + 2488278.

It is an arithmetic number, because the mean of its divisors is an integer number (97095807360).

Almost surely, 2^{2003445350403} is an apocalyptic number.

2003445350403 is a deficient number, since it is larger than the sum of its proper divisors (1103620485117).

2003445350403 is a wasteful number, since it uses less digits than its factorization.

2003445350403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966767.

The product of its (nonzero) digits is 86400, while the sum is 33.

The spelling of 2003445350403 in words is "two trillion, three billion, four hundred forty-five million, three hundred fifty thousand, four hundred three".