1693199045189 has 4 divisors (see below), whose sum is σ = 1695261407820. Its totient is φ = 1691136682560.

The previous prime is 1693199045177. The next prime is 1693199045201. The reversal of 1693199045189 is 9815409913961.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1693199045177) and next prime (1693199045201).

It can be written as a sum of positive squares in 2 ways, for example, as 604863952900 + 1088335092289 = 777730^2 + 1043233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1693199045189 - 2¹⁶ = 1693198979653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693199045119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031180084 + ... + 1031181725.

It is an arithmetic number, because the mean of its divisors is an integer number (423815351955).

Almost surely, 2^{1693199045189} is an apocalyptic number.

It is an amenable number.

1693199045189 is a deficient number, since it is larger than the sum of its proper divisors (2062362631).

1693199045189 is an equidigital number, since it uses as much as digits as its factorization.

1693199045189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062362630.

The product of its (nonzero) digits is 18895680, while the sum is 65.

The spelling of 1693199045189 in words is "one trillion, six hundred ninety-three billion, one hundred ninety-nine million, forty-five thousand, one hundred eighty-nine".