4242444647 has 6 divisors (see below), whose sum is σ = 4935088728. Its totient is φ = 3636381084.

The previous prime is 4242444631. The next prime is 4242444683. The reversal of 4242444647 is 7464442424.

It is not a de Polignac number, because 4242444647 - 2⁴ = 4242444631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242444247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43290203 + ... + 43290300.

It is an arithmetic number, because the mean of its divisors is an integer number (822514788).

Almost surely, 2^4242444647 is an apocalyptic number.

4242444647 is a deficient number, since it is larger than the sum of its proper divisors (692644081).

4242444647 is an equidigital number, since it uses as much as digits as its factorization.

4242444647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86580517 (or 86580510 counting only the distinct ones).

The product of its digits is 688128, while the sum is 41.

The square root of 4242444647 is about 65134.0513633230. The cubic root of 4242444647 is about 1618.8454720413.

The spelling of 4242444647 in words is "four billion, two hundred forty-two million, four hundred forty-four thousand, six hundred forty-seven".