654586136812 has 12 divisors (see below), whose sum is σ = 1173465391896. Its totient is φ = 319310310560.

The previous prime is 654586136783. The next prime is 654586136819. The reversal of 654586136812 is 218631685456.

654586136812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (654586136819) 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, 1995689278 + ... + 1995689605.

It is an arithmetic number, because the mean of its divisors is an integer number (97788782658).

Almost surely, 2^654586136812 is an apocalyptic number.

It is an amenable number.

654586136812 is a deficient number, since it is larger than the sum of its proper divisors (518879255084).

654586136812 is a wasteful number, since it uses less digits than its factorization.

654586136812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991378928 (or 3991378926 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 654586136812 in words is "six hundred fifty-four billion, five hundred eighty-six million, one hundred thirty-six thousand, eight hundred twelve".