4194446618 has 8 divisors (see below), whose sum is σ = 6661768212. Its totient is φ = 1973857216.

The previous prime is 4194446603. The next prime is 4194446647. The reversal of 4194446618 is 8166444914.

It can be written as a sum of positive squares in 2 ways, for example, as 4070057209 + 124389409 = 63797^2 + 11153^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61683005 + ... + 61683072.

Almost surely, 2^4194446618 is an apocalyptic number.

4194446618 is a deficient number, since it is larger than the sum of its proper divisors (2467321594).

4194446618 is a wasteful number, since it uses less digits than its factorization.

4194446618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123366096.

The product of its digits is 663552, while the sum is 47.

The square root of 4194446618 is about 64764.5475395297. The cubic root of 4194446618 is about 1612.7172224079.

The spelling of 4194446618 in words is "four billion, one hundred ninety-four million, four hundred forty-six thousand, six hundred eighteen".