4609561046868 has 72 divisors (see below), whose sum is σ = 11820733142400. Its totient is φ = 1514414635776.

The previous prime is 4609561046851. The next prime is 4609561046887. The reversal of 4609561046868 is 8686401659064.

4609561046868 is a `hidden beast` number, since 4 + 6 + 0 + 9 + 5 + 610 + 4 + 6 + 8 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2436988 + ... + 3893331.

It is an arithmetic number, because the mean of its divisors is an integer number (164176849200).

Almost surely, 2^{4609561046868} is an apocalyptic number.

It is an amenable number.

4609561046868 is an abundant number, since it is smaller than the sum of its proper divisors (7211172095532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4609561046868 is a wasteful number, since it uses less digits than its factorization.

4609561046868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330621 (or 6330616 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 4609561046868 in words is "four trillion, six hundred nine billion, five hundred sixty-one million, forty-six thousand, eight hundred sixty-eight".