4218670345 has 4 divisors (see below), whose sum is σ = 5062404420. Its totient is φ = 3374936272.

The previous prime is 4218670307. The next prime is 4218670361. The reversal of 4218670345 is 5430768124.

4218670345 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 1059893136 + 3158777209 = 32556^2 + 56203^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218670345 - 2¹¹ = 4218668297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4218670298 and 4218670307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421867030 + ... + 421867039.

It is an arithmetic number, because the mean of its divisors is an integer number (1265601105).

Almost surely, 2^4218670345 is an apocalyptic number.

It is an amenable number.

4218670345 is a deficient number, since it is larger than the sum of its proper divisors (843734075).

4218670345 is an equidigital number, since it uses as much as digits as its factorization.

4218670345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843734074.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 4218670345 is about 64951.2920964626. The cubic root of 4218670345 is about 1615.8158478898.

The spelling of 4218670345 in words is "four billion, two hundred eighteen million, six hundred seventy thousand, three hundred forty-five".