4886351861 has 4 divisors (see below), whose sum is σ = 4894272012. Its totient is φ = 4878431712.

The previous prime is 4886351819. The next prime is 4886351881. The reversal of 4886351861 is 1681536884.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112232836 + 4774119025 = 10594^2 + 69095^2 .

It is a cyclic number.

It is not a de Polignac number, because 4886351861 - 2¹⁸ = 4886089717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4886351881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3959150 + ... + 3960383.

It is an arithmetic number, because the mean of its divisors is an integer number (1223568003).

Almost surely, 2^4886351861 is an apocalyptic number.

It is an amenable number.

4886351861 is a deficient number, since it is larger than the sum of its proper divisors (7920151).

4886351861 is an equidigital number, since it uses as much as digits as its factorization.

4886351861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920150.

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

The square root of 4886351861 is about 69902.4453148815. The cubic root of 4886351861 is about 1696.9208229996.

The spelling of 4886351861 in words is "four billion, eight hundred eighty-six million, three hundred fifty-one thousand, eight hundred sixty-one".