4457649271 has 8 divisors (see below), whose sum is σ = 4721817024. Its totient is φ = 4193698560.

The previous prime is 4457649257. The next prime is 4457649281. The reversal of 4457649271 is 1729467544.

It is a happy number.

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 4457649271 - 2¹⁵ = 4457616503 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 (4457649221) 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, 10975 + ... + 95056.

It is an arithmetic number, because the mean of its divisors is an integer number (590227128).

Almost surely, 2^4457649271 is an apocalyptic number.

4457649271 is a deficient number, since it is larger than the sum of its proper divisors (264167753).

4457649271 is a wasteful number, since it uses less digits than its factorization.

4457649271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108521.

The product of its digits is 1693440, while the sum is 49.

The square root of 4457649271 is about 66765.6294136437. The cubic root of 4457649271 is about 1645.7680680764.

The spelling of 4457649271 in words is "four billion, four hundred fifty-seven million, six hundred forty-nine thousand, two hundred seventy-one".