1443349147673 has 4 divisors (see below), whose sum is σ = 1443511934160. Its totient is φ = 1443186361188.

The previous prime is 1443349147631. The next prime is 1443349147717. The reversal of 1443349147673 is 3767419433441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1443349147673 - 2³⁶ = 1374629670937 is a prime.

It is a super-2 number, since 2×1443349147673² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443349137673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81379943 + ... + 81397676.

It is an arithmetic number, because the mean of its divisors is an integer number (360877983540).

Almost surely, 2^{1443349147673} is an apocalyptic number.

It is an amenable number.

1443349147673 is a deficient number, since it is larger than the sum of its proper divisors (162786487).

1443349147673 is an equidigital number, since it uses as much as digits as its factorization.

1443349147673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162786486.

The product of its digits is 18289152, while the sum is 56.

The spelling of 1443349147673 in words is "one trillion, four hundred forty-three billion, three hundred forty-nine million, one hundred forty-seven thousand, six hundred seventy-three".