1443202119818 has 4 divisors (see below), whose sum is σ = 2164803179730. Its totient is φ = 721601059908.

The previous prime is 1443202119811. The next prime is 1443202119829. The reversal of 1443202119818 is 8189112023441.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 950346170449 + 492855949369 = 974857^2 + 702037^2 .

It is not an unprimeable number, because it can be changed into a prime (1443202119811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360800529953 + ... + 360800529956.

Almost surely, 2^{1443202119818} is an apocalyptic number.

1443202119818 is a deficient number, since it is larger than the sum of its proper divisors (721601059912).

1443202119818 is an equidigital number, since it uses as much as digits as its factorization.

1443202119818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721601059911.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 1443202119818 in words is "one trillion, four hundred forty-three billion, two hundred two million, one hundred nineteen thousand, eight hundred eighteen".