1800000000003 has 8 divisors (see below), whose sum is σ = 2445283019088. Its totient is φ = 1177358490464.

The previous prime is 1799999999977. The next prime is 1800000000047. The reversal of 1800000000003 is 3000000000081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1800000000003 - 2²⁹ = 1799463129091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1799999999898 and 1799999999907.

It is not an unprimeable number, because it can be changed into a prime (1800000000083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5660377200 + ... + 5660377517.

It is an arithmetic number, because the mean of its divisors is an integer number (305660377386).

Almost surely, 2^{1800000000003} is an apocalyptic number.

1800000000003 is a deficient number, since it is larger than the sum of its proper divisors (645283019085).

1800000000003 is a wasteful number, since it uses less digits than its factorization.

1800000000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320754773.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1800000000003 its reverse (3000000000081), we get a palindrome (4800000000084).

The spelling of 1800000000003 in words is "one trillion, eight hundred billion, three", and thus it is an aban number.