1443263393218 has 12 divisors (see below), whose sum is σ = 2284833877110. Its totient is φ = 683651080656.

The previous prime is 1443263393213. The next prime is 1443263393233. The reversal of 1443263393218 is 8123933623441.

It can be written as a sum of positive squares in only one way, i.e., 1303631882289 + 139631510929 = 1141767^2 + 373673^2 .

It is not an unprimeable number, because it can be changed into a prime (1443263393213) 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 5 ways as a sum of consecutive naturals, for example, 999489163 + ... + 999490606.

Almost surely, 2^{1443263393218} is an apocalyptic number.

1443263393218 is a deficient number, since it is larger than the sum of its proper divisors (841570483892).

1443263393218 is a wasteful number, since it uses less digits than its factorization.

1443263393218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998979809 (or 1998979790 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 49.

The spelling of 1443263393218 in words is "one trillion, four hundred forty-three billion, two hundred sixty-three million, three hundred ninety-three thousand, two hundred eighteen".