284129940171 has 128 divisors (see below), whose sum is σ = 495039283200. Its totient is φ = 140663952000.

The previous prime is 284129940167. The next prime is 284129940187. The reversal of 284129940171 is 171049921482.

284129940171 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 284129940171 - 2² = 284129940167 is a prime.

It is a super-3 number, since 3×284129940171³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 284129940171.

It is not an unprimeable number, because it can be changed into a prime (284129941171) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 130393560 + ... + 130395738.

It is an arithmetic number, because the mean of its divisors is an integer number (3867494400).

Almost surely, 2^284129940171 is an apocalyptic number.

284129940171 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

284129940171 is a deficient number, since it is larger than the sum of its proper divisors (210909343029).

284129940171 is a wasteful number, since it uses less digits than its factorization.

284129940171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 284129940171 in words is "two hundred eighty-four billion, one hundred twenty-nine million, nine hundred forty thousand, one hundred seventy-one".