4442729847 has 4 divisors (see below), whose sum is σ = 5923639800. Its totient is φ = 2961819896.

The previous prime is 4442729839. The next prime is 4442729881. The reversal of 4442729847 is 7489272444.

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 4442729847 - 2³ = 4442729839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4442729847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442729047) 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, 740454972 + ... + 740454977.

It is an arithmetic number, because the mean of its divisors is an integer number (1480909950).

Almost surely, 2^4442729847 is an apocalyptic number.

4442729847 is a deficient number, since it is larger than the sum of its proper divisors (1480909953).

4442729847 is a wasteful number, since it uses less digits than its factorization.

4442729847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480909952.

The product of its digits is 3612672, while the sum is 51.

The square root of 4442729847 is about 66653.8059453472. The cubic root of 4442729847 is about 1643.9299276466.

The spelling of 4442729847 in words is "four billion, four hundred forty-two million, seven hundred twenty-nine thousand, eight hundred forty-seven".