42489697587 has 16 divisors (see below), whose sum is σ = 59657886720. Its totient is φ = 26825148000.

The previous prime is 42489697577. The next prime is 42489697631. The reversal of 42489697587 is 78579698424.

42489697587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42489697587 - 2¹⁶ = 42489632051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42489697577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3837 + ... + 291537.

It is an arithmetic number, because the mean of its divisors is an integer number (3728617920).

Almost surely, 2^42489697587 is an apocalyptic number.

42489697587 is a deficient number, since it is larger than the sum of its proper divisors (17168189133).

42489697587 is a wasteful number, since it uses less digits than its factorization.

42489697587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290314.

The product of its digits is 243855360, while the sum is 69.

The spelling of 42489697587 in words is "forty-two billion, four hundred eighty-nine million, six hundred ninety-seven thousand, five hundred eighty-seven".