4861836851 has 4 divisors (see below), whose sum is σ = 5147827272. Its totient is φ = 4575846432.

The previous prime is 4861836841. The next prime is 4861836871. The reversal of 4861836851 is 1586381684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4861836851 - 2⁶ = 4861836787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4861836851.

It is not an unprimeable number, because it can be changed into a prime (4861836841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 142995185 + ... + 142995218.

It is an arithmetic number, because the mean of its divisors is an integer number (1286956818).

Almost surely, 2^4861836851 is an apocalyptic number.

4861836851 is a deficient number, since it is larger than the sum of its proper divisors (285990421).

4861836851 is a wasteful number, since it uses less digits than its factorization.

4861836851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285990420.

The product of its digits is 1105920, while the sum is 50.

The square root of 4861836851 is about 69726.8732340695. The cubic root of 4861836851 is about 1694.0782254732.

The spelling of 4861836851 in words is "four billion, eight hundred sixty-one million, eight hundred thirty-six thousand, eight hundred fifty-one".