4609461816 has 80 divisors (see below), whose sum is σ = 12922945200. Its totient is φ = 1535037696.

The previous prime is 4609461803. The next prime is 4609461839. The reversal of 4609461816 is 6181649064.

4609461816 is a `hidden beast` number, since 460 + 9 + 4 + 6 + 181 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 852016 + ... + 857408.

It is an arithmetic number, because the mean of its divisors is an integer number (161536815).

Almost surely, 2^4609461816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4609461816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6461472600).

4609461816 is an abundant number, since it is smaller than the sum of its proper divisors (8313483384).

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

4609461816 is a wasteful number, since it uses less digits than its factorization.

4609461816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4609461816 is about 67893.0174318390. The cubic root of 4609461816 is about 1664.2430062617.

The spelling of 4609461816 in words is "four billion, six hundred nine million, four hundred sixty-one thousand, eight hundred sixteen".