4871847149 has 4 divisors (see below), whose sum is σ = 5246604636. Its totient is φ = 4497089664.

The previous prime is 4871847139. The next prime is 4871847157. The reversal of 4871847149 is 9417481784.

4871847149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 605406025 + 4266441124 = 24605^2 + 65318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4871847149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4871847149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4871847109) 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, 187378724 + ... + 187378749.

It is an arithmetic number, because the mean of its divisors is an integer number (1311651159).

Almost surely, 2^4871847149 is an apocalyptic number.

It is an amenable number.

4871847149 is a deficient number, since it is larger than the sum of its proper divisors (374757487).

4871847149 is a wasteful number, since it uses less digits than its factorization.

4871847149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374757486.

The product of its digits is 1806336, while the sum is 53.

The square root of 4871847149 is about 69798.6185321744. The cubic root of 4871847149 is about 1695.2401047484.

The spelling of 4871847149 in words is "four billion, eight hundred seventy-one million, eight hundred forty-seven thousand, one hundred forty-nine".