4454043521 has 8 divisors (see below), whose sum is σ = 4559601024. Its totient is φ = 4349283120.

The previous prime is 4454043509. The next prime is 4454043547. The reversal of 4454043521 is 1253404544.

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 4454043521 - 2⁶ = 4454043457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4454043551) 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, 187961 + ... + 210326.

It is an arithmetic number, because the mean of its divisors is an integer number (569950128).

Almost surely, 2^4454043521 is an apocalyptic number.

It is an amenable number.

4454043521 is a deficient number, since it is larger than the sum of its proper divisors (105557503).

4454043521 is a wasteful number, since it uses less digits than its factorization.

4454043521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398551.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4454043521 is about 66738.6209102346. The cubic root of 4454043521 is about 1645.3241996743.

The spelling of 4454043521 in words is "four billion, four hundred fifty-four million, forty-three thousand, five hundred twenty-one".