1428715872873 has 16 divisors (see below), whose sum is σ = 2241122938560. Its totient is φ = 896449174848.

The previous prime is 1428715872869. The next prime is 1428715872911. The reversal of 1428715872873 is 3782785178241.

1428715872873 is a `hidden beast` number, since 1 + 4 + 28 + 7 + 1 + 587 + 28 + 7 + 3 = 666.

It is not a de Polignac number, because 1428715872873 - 2² = 1428715872869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1428715872873.

It is not an unprimeable number, because it can be changed into a prime (1428715872803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556334915 + ... + 1556335832.

It is an arithmetic number, because the mean of its divisors is an integer number (140070183660).

Almost surely, 2^{1428715872873} is an apocalyptic number.

It is an amenable number.

1428715872873 is a deficient number, since it is larger than the sum of its proper divisors (812407065687).

1428715872873 is a wasteful number, since it uses less digits than its factorization.

1428715872873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112670773 (or 3112670767 counting only the distinct ones).

The product of its digits is 42147840, while the sum is 63.

The spelling of 1428715872873 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred seventy-two thousand, eight hundred seventy-three".