4812643836 has 720 divisors, whose sum is σ = 18168353280. Its totient is φ = 1077753600.

The previous prime is 4812643831. The next prime is 4812643921. The reversal of 4812643836 is 6383462184.

4812643836 is a `hidden beast` number, since 4 + 8 + 1 + 264 + 383 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4812643791 and 4812643800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4812643831) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 67783681 + ... + 67783751.

It is an arithmetic number, because the mean of its divisors is an integer number (25233824).

Almost surely, 2^4812643836 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 4812643836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9084176640).

4812643836 is an abundant number, since it is smaller than the sum of its proper divisors (13355709444).

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

4812643836 is a wasteful number, since it uses less digits than its factorization.

4812643836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 126 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 4812643836 is about 69373.2213177390. The cubic root of 4812643836 is about 1688.3451742585.

The spelling of 4812643836 in words is "four billion, eight hundred twelve million, six hundred forty-three thousand, eight hundred thirty-six".