60138495999 has 6 divisors (see below), whose sum is σ = 86866716456. Its totient is φ = 40092330660.

The previous prime is 60138495997. The next prime is 60138496003. The reversal of 60138495999 is 99959483106.

60138495999 is a `hidden beast` number, since 6 + 0 + 1 + 38 + 4 + 9 + 599 + 9 = 666.

It is not a de Polignac number, because 60138495999 - 2¹ = 60138495997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60138495997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3341027547 + ... + 3341027564.

It is an arithmetic number, because the mean of its divisors is an integer number (14477786076).

Almost surely, 2^60138495999 is an apocalyptic number.

60138495999 is a deficient number, since it is larger than the sum of its proper divisors (26728220457).

60138495999 is a wasteful number, since it uses less digits than its factorization.

60138495999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682055117 (or 6682055114 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 60138495999 in words is "sixty billion, one hundred thirty-eight million, four hundred ninety-five thousand, nine hundred ninety-nine".