4861981606 has 16 divisors (see below), whose sum is σ = 7867671264. Its totient is φ = 2244820864.

The previous prime is 4861981571. The next prime is 4861981639. The reversal of 4861981606 is 6061891684.

It is a self number, because there is not a number n which added to its sum of digits gives 4861981606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347250 + ... + 1350853.

It is an arithmetic number, because the mean of its divisors is an integer number (491729454).

Almost surely, 2^4861981606 is an apocalyptic number.

4861981606 is a deficient number, since it is larger than the sum of its proper divisors (3005689658).

4861981606 is a wasteful number, since it uses less digits than its factorization.

4861981606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698175.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 4861981606 is about 69727.9112407650. The cubic root of 4861981606 is about 1694.0950383135.

The spelling of 4861981606 in words is "four billion, eight hundred sixty-one million, nine hundred eighty-one thousand, six hundred six".