1428587142873 has 24 divisors (see below), whose sum is σ = 2142377359584. Its totient is φ = 845675255040.

The previous prime is 1428587142839. The next prime is 1428587142881. The reversal of 1428587142873 is 3782417858241.

It is not a de Polignac number, because 1428587142873 - 2¹⁷ = 1428587011801 is a prime.

It is a super-2 number, since 2×1428587142873² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1428587142823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45746040 + ... + 45777257.

It is an arithmetic number, because the mean of its divisors is an integer number (89265723316).

Almost surely, 2^{1428587142873} is an apocalyptic number.

It is an amenable number.

1428587142873 is a deficient number, since it is larger than the sum of its proper divisors (713790216711).

1428587142873 is a wasteful number, since it uses less digits than its factorization.

1428587142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91523365 (or 91523354 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 60.

The spelling of 1428587142873 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-seven million, one hundred forty-two thousand, eight hundred seventy-three".