4861662215 has 4 divisors (see below), whose sum is σ = 5833994664. Its totient is φ = 3889329768.

The previous prime is 4861662181. The next prime is 4861662217. The reversal of 4861662215 is 5122661684.

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 4861662215 - 2¹⁰ = 4861661191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861662217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486166217 + ... + 486166226.

It is an arithmetic number, because the mean of its divisors is an integer number (1458498666).

Almost surely, 2^4861662215 is an apocalyptic number.

4861662215 is a deficient number, since it is larger than the sum of its proper divisors (972332449).

4861662215 is an equidigital number, since it uses as much as digits as its factorization.

4861662215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972332448.

The product of its digits is 138240, while the sum is 41.

The square root of 4861662215 is about 69725.6209366399. The cubic root of 4861662215 is about 1694.0579416040.

The spelling of 4861662215 in words is "four billion, eight hundred sixty-one million, six hundred sixty-two thousand, two hundred fifteen".