4512268321 has 4 divisors (see below), whose sum is σ = 4922474544. Its totient is φ = 4102062100.

The previous prime is 4512268309. The next prime is 4512268351. The reversal of 4512268321 is 1238622154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4512268321 - 2³¹ = 2364784673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4512268351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 205103095 + ... + 205103116.

It is an arithmetic number, because the mean of its divisors is an integer number (1230618636).

Almost surely, 2^4512268321 is an apocalyptic number.

It is an amenable number.

4512268321 is a deficient number, since it is larger than the sum of its proper divisors (410206223).

4512268321 is a wasteful number, since it uses less digits than its factorization.

4512268321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410206222.

The product of its digits is 23040, while the sum is 34.

The square root of 4512268321 is about 67173.4197506722. The cubic root of 4512268321 is about 1652.4626002187.

The spelling of 4512268321 in words is "four billion, five hundred twelve million, two hundred sixty-eight thousand, three hundred twenty-one".