118582689493 has 4 divisors (see below), whose sum is σ = 118583585568. Its totient is φ = 118581793420.

The previous prime is 118582689481. The next prime is 118582689527. The reversal of 118582689493 is 394986285811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 118582689493 - 2²¹ = 118580592341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118582689413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205921 + ... + 528742.

It is an arithmetic number, because the mean of its divisors is an integer number (29645896392).

Almost surely, 2^118582689493 is an apocalyptic number.

It is an amenable number.

118582689493 is a deficient number, since it is larger than the sum of its proper divisors (896075).

118582689493 is an equidigital number, since it uses as much as digits as its factorization.

118582689493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896074.

The product of its digits is 29859840, while the sum is 64.

The spelling of 118582689493 in words is "one hundred eighteen billion, five hundred eighty-two million, six hundred eighty-nine thousand, four hundred ninety-three".