118469509636 has 9 divisors (see below), whose sum is σ = 207322846549. Its totient is φ = 59234410624.

The previous prime is 118469509633. The next prime is 118469509693. The reversal of 118469509636 is 636905964811.

It is a happy number.

The square root of 118469509636 is 344194.

It is a perfect power (a square), and thus also a powerful number.

118469509636 is digitally balanced in base 3, 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 only one way, i.e., 34517924100 + 83951585536 = 185790^2 + 289744^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118469509633) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 602340 + ... + 774436.

Almost surely, 2^118469509636 is an apocalyptic number.

118469509636 is the 344194-th square number.

It is an amenable number.

118469509636 is a deficient number, since it is larger than the sum of its proper divisors (88853336913).

118469509636 is an frugal number, since it uses more digits than its factorization.

118469509636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344198 (or 172099 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 118469509636 in words is "one hundred eighteen billion, four hundred sixty-nine million, five hundred nine thousand, six hundred thirty-six".