4454251321 has 16 divisors (see below), whose sum is σ = 4877469184. Its totient is φ = 4042773504.

The previous prime is 4454251279. The next prime is 4454251367. The reversal of 4454251321 is 1231524544.

It is a cyclic number.

It is not a de Polignac number, because 4454251321 - 2²¹ = 4452154169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4454251421) 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, 498136 + ... + 506998.

It is an arithmetic number, because the mean of its divisors is an integer number (304841824).

Almost surely, 2^4454251321 is an apocalyptic number.

It is an amenable number.

4454251321 is a deficient number, since it is larger than the sum of its proper divisors (423217863).

4454251321 is a wasteful number, since it uses less digits than its factorization.

4454251321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520.

The product of its digits is 19200, while the sum is 31.

The square root of 4454251321 is about 66740.1777117802. The cubic root of 4454251321 is about 1645.3497863912.

Adding to 4454251321 its reverse (1231524544), we get a palindrome (5685775865).

The spelling of 4454251321 in words is "four billion, four hundred fifty-four million, two hundred fifty-one thousand, three hundred twenty-one".