1428585871443 has 8 divisors (see below), whose sum is σ = 1904800452048. Its totient is φ = 952380935904.

The previous prime is 1428585871421. The next prime is 1428585871477. The reversal of 1428585871443 is 3441785858241.

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

It is not a de Polignac number, because 1428585871443 - 2²² = 1428581677139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428585871403) 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, 2058280 + ... + 2663397.

It is an arithmetic number, because the mean of its divisors is an integer number (238100056506).

Almost surely, 2^{1428585871443} is an apocalyptic number.

1428585871443 is a deficient number, since it is larger than the sum of its proper divisors (476214580605).

1428585871443 is a wasteful number, since it uses less digits than its factorization.

1428585871443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822533.

The product of its digits is 34406400, while the sum is 60.

The spelling of 1428585871443 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-five million, eight hundred seventy-one thousand, four hundred forty-three".