1428571442873 has 16 divisors (see below), whose sum is σ = 1497631161600. Its totient is φ = 1360875936000.

The previous prime is 1428571442867. The next prime is 1428571442887. The reversal of 1428571442873 is 3782441758241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428571442873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428571442813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412513 + ... + 2202801.

It is an arithmetic number, because the mean of its divisors is an integer number (93601947600).

Almost surely, 2^{1428571442873} is an apocalyptic number.

It is an amenable number.

1428571442873 is a deficient number, since it is larger than the sum of its proper divisors (69059718727).

1428571442873 is an equidigital number, since it uses as much as digits as its factorization.

1428571442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791152.

The product of its digits is 12042240, while the sum is 56.

The spelling of 1428571442873 in words is "one trillion, four hundred twenty-eight billion, five hundred seventy-one million, four hundred forty-two thousand, eight hundred seventy-three".