1800073007663 has 16 divisors (see below), whose sum is σ = 2086573353984. Its totient is φ = 1520917177920.

The previous prime is 1800073007657. The next prime is 1800073007669. The reversal of 1800073007663 is 3667003700081.

It is an interprime number because it is at equal distance from previous prime (1800073007657) and next prime (1800073007669).

It is not a de Polignac number, because 1800073007663 - 2¹⁸ = 1800072745519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1800073007663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800073007669) 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, 2491406 + ... + 3131652.

It is an arithmetic number, because the mean of its divisors is an integer number (130410834624).

Almost surely, 2^{1800073007663} is an apocalyptic number.

1800073007663 is a deficient number, since it is larger than the sum of its proper divisors (286500346321).

1800073007663 is an equidigital number, since it uses as much as digits as its factorization.

1800073007663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645982.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 1800073007663 in words is "one trillion, eight hundred billion, seventy-three million, seven thousand, six hundred sixty-three".