1428715871443 has 8 divisors (see below), whose sum is σ = 1659585649760. Its totient is φ = 1204537970880.

The previous prime is 1428715871423. The next prime is 1428715871483. The reversal of 1428715871443 is 3441785178241.

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-1428715871443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428715871423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672968978 + ... + 1672969831.

It is an arithmetic number, because the mean of its divisors is an integer number (207448206220).

Almost surely, 2^{1428715871443} is an apocalyptic number.

1428715871443 is a deficient number, since it is larger than the sum of its proper divisors (230869778317).

1428715871443 is an equidigital number, since it uses as much as digits as its factorization.

1428715871443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345938877.

The product of its digits is 6021120, while the sum is 55.

The spelling of 1428715871443 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred seventy-one thousand, four hundred forty-three".