4444666667 has 12 divisors (see below), whose sum is σ = 5173682976. Its totient is φ = 3807241200.

The previous prime is 4444666661. The next prime is 4444666691. The reversal of 4444666667 is 7666664444.

It is a happy number.

It is not a de Polignac number, because 4444666667 - 2²² = 4440472363 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4444666661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48917 + ... + 106217.

It is an arithmetic number, because the mean of its divisors is an integer number (431140248).

Almost surely, 2^4444666667 is an apocalyptic number.

4444666667 is a deficient number, since it is larger than the sum of its proper divisors (729016309).

4444666667 is a wasteful number, since it uses less digits than its factorization.

4444666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58898 (or 58891 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 53.

The square root of 4444666667 is about 66668.3333150005. Note that the first 4 decimals coincide. The cubic root of 4444666667 is about 1644.1687848278.

The spelling of 4444666667 in words is "four billion, four hundred forty-four million, six hundred sixty-six thousand, six hundred sixty-seven".