842121090586 has 16 divisors (see below), whose sum is σ = 1266818876064. Its totient is φ = 419849864784.

The previous prime is 842121090581. The next prime is 842121090599. The reversal of 842121090586 is 685090121248.

It is not an unprimeable number, because it can be changed into a prime (842121090581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540981 + ... + 1406023.

It is an arithmetic number, because the mean of its divisors is an integer number (79176179754).

Almost surely, 2^842121090586 is an apocalyptic number.

842121090586 is a deficient number, since it is larger than the sum of its proper divisors (424697785478).

842121090586 is a wasteful number, since it uses less digits than its factorization.

842121090586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866445.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 842121090586 in words is "eight hundred forty-two billion, one hundred twenty-one million, ninety thousand, five hundred eighty-six".