4812681649 has 8 divisors (see below), whose sum is σ = 4946272128. Its totient is φ = 4679276400.

The previous prime is 4812681619. The next prime is 4812681677. The reversal of 4812681649 is 9461862184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4812681649 - 2²¹ = 4810584497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4812681619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7224 + ... + 98374.

It is an arithmetic number, because the mean of its divisors is an integer number (618284016).

Almost surely, 2^4812681649 is an apocalyptic number.

It is an amenable number.

4812681649 is a deficient number, since it is larger than the sum of its proper divisors (133590479).

4812681649 is a wasteful number, since it uses less digits than its factorization.

4812681649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92615.

The product of its digits is 663552, while the sum is 49.

The square root of 4812681649 is about 69373.4938503172. The cubic root of 4812681649 is about 1688.3495960296.

The spelling of 4812681649 in words is "four billion, eight hundred twelve million, six hundred eighty-one thousand, six hundred forty-nine".