2003351851849 has 4 divisors (see below), whose sum is σ = 2052214092180. Its totient is φ = 1954489611520.

The previous prime is 2003351851829. The next prime is 2003351851933. The reversal of 2003351851849 is 9481581533002.

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 43472250000 + 1959879601849 = 208500^2 + 1399957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003351851849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003351851829) by changing a digit.

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, 24431120104 + ... + 24431120185.

It is an arithmetic number, because the mean of its divisors is an integer number (513053523045).

Almost surely, 2^{2003351851849} is an apocalyptic number.

It is an amenable number.

2003351851849 is a deficient number, since it is larger than the sum of its proper divisors (48862240331).

2003351851849 is an equidigital number, since it uses as much as digits as its factorization.

2003351851849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48862240330.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 2003351851849 in words is "two trillion, three billion, three hundred fifty-one million, eight hundred fifty-one thousand, eight hundred forty-nine".