449862971 has 4 divisors (see below), whose sum is σ = 450765000. Its totient is φ = 448960944.

The previous prime is 449862961. The next prime is 449862997. The reversal of 449862971 is 179268944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449862971 - 2²² = 445668667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449862901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450266 + ... + 451263.

It is an arithmetic number, because the mean of its divisors is an integer number (112691250).

Almost surely, 2^449862971 is an apocalyptic number.

449862971 is a deficient number, since it is larger than the sum of its proper divisors (902029).

449862971 is an equidigital number, since it uses as much as digits as its factorization.

449862971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902028.

The product of its digits is 870912, while the sum is 50.

The square root of 449862971 is about 21209.9733851790. The cubic root of 449862971 is about 766.2316418191.

The spelling of 449862971 in words is "four hundred forty-nine million, eight hundred sixty-two thousand, nine hundred seventy-one".