42842491586 has 16 divisors (see below), whose sum is σ = 66020124600. Its totient is φ = 20836126080.

The previous prime is 42842491511. The next prime is 42842491603. The reversal of 42842491586 is 68519424824.

42842491586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39932428561 + 2910063025 = 199831^2 + 53945^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171296 + ... + 339156.

Almost surely, 2^42842491586 is an apocalyptic number.

42842491586 is a deficient number, since it is larger than the sum of its proper divisors (23177633014).

42842491586 is a wasteful number, since it uses less digits than its factorization.

42842491586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171349.

The product of its digits is 4423680, while the sum is 53.

The spelling of 42842491586 in words is "forty-two billion, eight hundred forty-two million, four hundred ninety-one thousand, five hundred eighty-six".