4489218667 has 4 divisors (see below), whose sum is σ = 4573920960. Its totient is φ = 4404516376.

The previous prime is 4489218661. The next prime is 4489218703. The reversal of 4489218667 is 7668129844.

It is a happy number.

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 4489218667 - 2²⁷ = 4355000939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4489218661) 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, 42351067 + ... + 42351172.

It is an arithmetic number, because the mean of its divisors is an integer number (1143480240).

Almost surely, 2^4489218667 is an apocalyptic number.

4489218667 is a deficient number, since it is larger than the sum of its proper divisors (84702293).

4489218667 is an equidigital number, since it uses as much as digits as its factorization.

4489218667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84702292.

The product of its digits is 4644864, while the sum is 55.

The square root of 4489218667 is about 67001.6318234116. The cubic root of 4489218667 is about 1649.6440820313.

The spelling of 4489218667 in words is "four billion, four hundred eighty-nine million, two hundred eighteen thousand, six hundred sixty-seven".