1443400001009 has 8 divisors (see below), whose sum is σ = 1527369996672. Its totient is φ = 1361197794880.

The previous prime is 1443400000997. The next prime is 1443400001027. The reversal of 1443400001009 is 9001000043441.

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

It is a cyclic number.

It is not a de Polignac number, because 1443400001009 - 2⁴⁰ = 343888373233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443400001059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441945704 + ... + 441948969.

It is an arithmetic number, because the mean of its divisors is an integer number (190921249584).

Almost surely, 2^{1443400001009} is an apocalyptic number.

It is an amenable number.

1443400001009 is a deficient number, since it is larger than the sum of its proper divisors (83969995663).

1443400001009 is an equidigital number, since it uses as much as digits as its factorization.

1443400001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883894767.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1443400001009 in words is "one trillion, four hundred forty-three billion, four hundred million, one thousand, nine".