4718218387 has 8 divisors (see below), whose sum is σ = 4831763904. Its totient is φ = 4604846568.

The previous prime is 4718218343. The next prime is 4718218397. The reversal of 4718218387 is 7838128174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4718218387 - 2¹¹ = 4718216339 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 4718218387.

It is not an unprimeable number, because it can be changed into a prime (4718218327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12408 + ... + 97930.

It is an arithmetic number, because the mean of its divisors is an integer number (603970488).

Almost surely, 2^4718218387 is an apocalyptic number.

4718218387 is a deficient number, since it is larger than the sum of its proper divisors (113545517).

4718218387 is a wasteful number, since it uses less digits than its factorization.

4718218387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86849.

The product of its digits is 602112, while the sum is 49.

The square root of 4718218387 is about 68689.2887355809. The cubic root of 4718218387 is about 1677.2302228665.

The spelling of 4718218387 in words is "four billion, seven hundred eighteen million, two hundred eighteen thousand, three hundred eighty-seven".