4248288321 has 16 divisors (see below), whose sum is σ = 6002198784. Its totient is φ = 2663541504.

The previous prime is 4248288307. The next prime is 4248288367. The reversal of 4248288321 is 1238828424.

It is not a de Polignac number, because 4248288321 - 2⁹ = 4248287809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4248288221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36291 + ... + 99063.

It is an arithmetic number, because the mean of its divisors is an integer number (375137424).

Almost surely, 2^4248288321 is an apocalyptic number.

It is an amenable number.

4248288321 is a deficient number, since it is larger than the sum of its proper divisors (1753910463).

4248288321 is a wasteful number, since it uses less digits than its factorization.

4248288321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64120.

The product of its digits is 196608, while the sum is 42.

The square root of 4248288321 is about 65178.8947512920. The cubic root of 4248288321 is about 1619.5884135763.

The spelling of 4248288321 in words is "four billion, two hundred forty-eight million, two hundred eighty-eight thousand, three hundred twenty-one".