1443351243213 has 48 divisors (see below), whose sum is σ = 2366225252352. Its totient is φ = 839874420000.

The previous prime is 1443351243199. The next prime is 1443351243239. The reversal of 1443351243213 is 3123421533441.

1443351243213 is a `hidden beast` number, since 1 + 4 + 43 + 351 + 243 + 21 + 3 = 666.

It is not a de Polignac number, because 1443351243213 - 2⁵ = 1443351243181 is a prime.

It is a super-2 number, since 2×1443351243213² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443351243913) 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 47 ways as a sum of consecutive naturals, for example, 1461813 + ... + 2241338.

It is an arithmetic number, because the mean of its divisors is an integer number (49296359424).

Almost surely, 2^{1443351243213} is an apocalyptic number.

It is an amenable number.

1443351243213 is a deficient number, since it is larger than the sum of its proper divisors (922874009139).

1443351243213 is a wasteful number, since it uses less digits than its factorization.

1443351243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703326 (or 3703323 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 1443351243213 its reverse (3123421533441), we get a palindrome (4566772776654).

The spelling of 1443351243213 in words is "one trillion, four hundred forty-three billion, three hundred fifty-one million, two hundred forty-three thousand, two hundred thirteen".