4451997217 has 8 divisors (see below), whose sum is σ = 4795297760. Its totient is φ = 4119595200.

The previous prime is 4451997169. The next prime is 4451997227. The reversal of 4451997217 is 7127991544.

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

It is not a de Polignac number, because 4451997217 - 2¹⁹ = 4451472929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451997227) 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, 2723784 + ... + 2725417.

It is an arithmetic number, because the mean of its divisors is an integer number (599412220).

Almost surely, 2^4451997217 is an apocalyptic number.

It is an amenable number.

4451997217 is a deficient number, since it is larger than the sum of its proper divisors (343300543).

4451997217 is a wasteful number, since it uses less digits than its factorization.

4451997217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449263.

The product of its digits is 635040, while the sum is 49.

The square root of 4451997217 is about 66723.2884156649. The cubic root of 4451997217 is about 1645.0721927648.

The spelling of 4451997217 in words is "four billion, four hundred fifty-one million, nine hundred ninety-seven thousand, two hundred seventeen".