4247273665 has 8 divisors (see below), whose sum is σ = 5098104000. Its totient is φ = 3396901872.

The previous prime is 4247273647. The next prime is 4247273671. The reversal of 4247273665 is 5663727424.

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

It is a cyclic number.

It is not a de Polignac number, because 4247273665 - 2⁹ = 4247273153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93915 + ... + 131584.

It is an arithmetic number, because the mean of its divisors is an integer number (637263000).

Almost surely, 2^4247273665 is an apocalyptic number.

It is an amenable number.

4247273665 is a deficient number, since it is larger than the sum of its proper divisors (850830335).

4247273665 is a wasteful number, since it uses less digits than its factorization.

4247273665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229271.

The product of its digits is 1693440, while the sum is 46.

The square root of 4247273665 is about 65171.1106626241. The cubic root of 4247273665 is about 1619.4594631360.

The spelling of 4247273665 in words is "four billion, two hundred forty-seven million, two hundred seventy-three thousand, six hundred sixty-five".