449656871 has 2 divisors, whose sum is σ = 449656872. Its totient is φ = 449656870.

The previous prime is 449656847. The next prime is 449656927. The reversal of 449656871 is 178656944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449656871 - 2⁶ = 449656807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449656811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224828435 + 224828436.

It is an arithmetic number, because the mean of its divisors is an integer number (224828436).

Almost surely, 2^449656871 is an apocalyptic number.

449656871 is a deficient number, since it is larger than the sum of its proper divisors (1).

449656871 is an equidigital number, since it uses as much as digits as its factorization.

449656871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 449656871 is about 21205.1142651956. The cubic root of 449656871 is about 766.1146102827.

The spelling of 449656871 in words is "four hundred forty-nine million, six hundred fifty-six thousand, eight hundred seventy-one".