1444431457173 has 8 divisors (see below), whose sum is σ = 1928031996448. Its totient is φ = 961892611344.

The previous prime is 1444431457141. The next prime is 1444431457199. The reversal of 1444431457173 is 3717541344441.

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

It is not a de Polignac number, because 1444431457173 - 2⁵ = 1444431457141 is a prime.

It is a super-2 number, since 2×1444431457173² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444431457103) 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, 265420186 + ... + 265425627.

It is an arithmetic number, because the mean of its divisors is an integer number (241003999556).

Almost surely, 2^{1444431457173} is an apocalyptic number.

It is an amenable number.

1444431457173 is a deficient number, since it is larger than the sum of its proper divisors (483600539275).

1444431457173 is an equidigital number, since it uses as much as digits as its factorization.

1444431457173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530846723.

The product of its digits is 2257920, while the sum is 48.

The spelling of 1444431457173 in words is "one trillion, four hundred forty-four billion, four hundred thirty-one million, four hundred fifty-seven thousand, one hundred seventy-three".