1004645459656 has 16 divisors (see below), whose sum is σ = 1982852881200. Its totient is φ = 475884691344.

The previous prime is 1004645459647. The next prime is 1004645459663. The reversal of 1004645459656 is 6569545464001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1004645459597 and 1004645459606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3304754650 + ... + 3304754953.

It is an arithmetic number, because the mean of its divisors is an integer number (123928305075).

Almost surely, 2^{1004645459656} is an apocalyptic number.

It is an amenable number.

1004645459656 is a deficient number, since it is larger than the sum of its proper divisors (978207421544).

1004645459656 is a wasteful number, since it uses less digits than its factorization.

1004645459656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609509628 (or 6609509624 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 1004645459656 in words is "one trillion, four billion, six hundred forty-five million, four hundred fifty-nine thousand, six hundred fifty-six".