6418404227 has 4 divisors (see below), whose sum is σ = 6426951456. Its totient is φ = 6409857000.

The previous prime is 6418404221. The next prime is 6418404229. The reversal of 6418404227 is 7224048146.

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 6418404227 - 2¹⁰ = 6418403203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6418404221) 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, 4272488 + ... + 4273989.

It is an arithmetic number, because the mean of its divisors is an integer number (1606737864).

Almost surely, 2^6418404227 is an apocalyptic number.

6418404227 is a deficient number, since it is larger than the sum of its proper divisors (8547229).

6418404227 is an equidigital number, since it uses as much as digits as its factorization.

6418404227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547228.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 6418404227 is about 80114.9438432057. The cubic root of 6418404227 is about 1858.4135147120.

The spelling of 6418404227 in words is "six billion, four hundred eighteen million, four hundred four thousand, two hundred twenty-seven".