4423947667 has 4 divisors (see below), whose sum is σ = 4428970056. Its totient is φ = 4418925280.

The previous prime is 4423947613. The next prime is 4423947677. The reversal of 4423947667 is 7667493244.

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 4423947667 - 2¹¹ = 4423945619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4423947677) 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, 2509873 + ... + 2511634.

It is an arithmetic number, because the mean of its divisors is an integer number (1107242514).

Almost surely, 2^4423947667 is an apocalyptic number.

4423947667 is a deficient number, since it is larger than the sum of its proper divisors (5022389).

4423947667 is an equidigital number, since it uses as much as digits as its factorization.

4423947667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022388.

The product of its digits is 6096384, while the sum is 52.

The square root of 4423947667 is about 66512.7631887294. The cubic root of 4423947667 is about 1641.6100175264.

The spelling of 4423947667 in words is "four billion, four hundred twenty-three million, nine hundred forty-seven thousand, six hundred sixty-seven".