4452307021 has 8 divisors (see below), whose sum is σ = 4743131904. Its totient is φ = 4164696000.

The previous prime is 4452307009. The next prime is 4452307049. The reversal of 4452307021 is 1207032544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4452307021 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 (4452307061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800605 + ... + 806146.

It is an arithmetic number, because the mean of its divisors is an integer number (592891488).

Almost surely, 2^4452307021 is an apocalyptic number.

It is an amenable number.

4452307021 is a deficient number, since it is larger than the sum of its proper divisors (290824883).

4452307021 is a wasteful number, since it uses less digits than its factorization.

4452307021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606931.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4452307021 is about 66725.6099335180. The cubic root of 4452307021 is about 1645.1103507794.

Adding to 4452307021 its reverse (1207032544), we get a palindrome (5659339565).

The spelling of 4452307021 in words is "four billion, four hundred fifty-two million, three hundred seven thousand, twenty-one".