2003198003500 has 48 divisors (see below), whose sum is σ = 4375200053952. Its totient is φ = 801239712000.

The previous prime is 2003198003461. The next prime is 2003198003507. The reversal of 2003198003500 is 53008913002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2003198003507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11393257 + ... + 11567743.

It is an arithmetic number, because the mean of its divisors is an integer number (91150001124).

Almost surely, 2^{2003198003500} is an apocalyptic number.

2003198003500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003198003500 is an abundant number, since it is smaller than the sum of its proper divisors (2372002050452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003198003500 is a wasteful number, since it uses less digits than its factorization.

2003198003500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197467 (or 197455 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 2003198003500 in words is "two trillion, three billion, one hundred ninety-eight million, three thousand, five hundred".