4493387871 has 32 divisors (see below), whose sum is σ = 7613127680. Its totient is φ = 2565870048.

The previous prime is 4493387869. The next prime is 4493387947. The reversal of 4493387871 is 1787833944.

4493387871 is a `hidden beast` number, since 4 + 493 + 3 + 87 + 8 + 71 = 666.

It is not a de Polignac number, because 4493387871 - 2¹ = 4493387869 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 (4493387831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294390 + ... + 309276.

It is an arithmetic number, because the mean of its divisors is an integer number (237910240).

Almost surely, 2^4493387871 is an apocalyptic number.

4493387871 is a deficient number, since it is larger than the sum of its proper divisors (3119739809).

4493387871 is a wasteful number, since it uses less digits than its factorization.

4493387871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500 (or 16494 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 4493387871 is about 67032.7373079751. The cubic root of 4493387871 is about 1650.1546070003.

The spelling of 4493387871 in words is "four billion, four hundred ninety-three million, three hundred eighty-seven thousand, eight hundred seventy-one".