654547509964 has 12 divisors (see below), whose sum is σ = 1146569166288. Its totient is φ = 326956319600.

The previous prime is 654547509937. The next prime is 654547509971. The reversal of 654547509964 is 469905745456.

It is a junction number, because it is equal to n+sod(n) for n = 654547509896 and 654547509905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79354207 + ... + 79362454.

It is an arithmetic number, because the mean of its divisors is an integer number (95547430524).

Almost surely, 2^654547509964 is an apocalyptic number.

It is an amenable number.

654547509964 is a deficient number, since it is larger than the sum of its proper divisors (492021656324).

654547509964 is a wasteful number, since it uses less digits than its factorization.

654547509964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158717696 (or 158717694 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 64.

The spelling of 654547509964 in words is "six hundred fifty-four billion, five hundred forty-seven million, five hundred nine thousand, nine hundred sixty-four".