2871428728730 has 8 divisors (see below), whose sum is σ = 5168571711732. Its totient is φ = 1148571491488.

The previous prime is 2871428728669. The next prime is 2871428728739. The reversal of 2871428728730 is 378278241782.

It can be written as a sum of positive squares in 2 ways, for example, as 2854217650249 + 17211078481 = 1689443^2 + 131191^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2871428728730.

It is not an unprimeable number, because it can be changed into a prime (2871428728739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143571436427 + ... + 143571436446.

Almost surely, 2^{2871428728730} is an apocalyptic number.

2871428728730 is a deficient number, since it is larger than the sum of its proper divisors (2297142983002).

2871428728730 is a wasteful number, since it uses less digits than its factorization.

2871428728730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287142872880.

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 2871428728730 in words is "two trillion, eight hundred seventy-one billion, four hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred thirty".