1443440097643 has 8 divisors (see below), whose sum is σ = 1443829907520. Its totient is φ = 1443050356680.

The previous prime is 1443440097613. The next prime is 1443440097689. The reversal of 1443440097643 is 3467900443441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443440097643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443440097613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105918196 + ... + 105931822.

It is an arithmetic number, because the mean of its divisors is an integer number (180478738440).

Almost surely, 2^{1443440097643} is an apocalyptic number.

1443440097643 is a deficient number, since it is larger than the sum of its proper divisors (389809877).

1443440097643 is a wasteful number, since it uses less digits than its factorization.

1443440097643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34457.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 1443440097643 in words is "one trillion, four hundred forty-three billion, four hundred forty million, ninety-seven thousand, six hundred forty-three".