449656911 has 12 divisors (see below), whose sum is σ = 708550440. Its totient is φ = 272519280.

The previous prime is 449656871. The next prime is 449656927. The reversal of 449656911 is 119656944.

It is a happy number.

It is not a de Polignac number, because 449656911 - 2⁶ = 449656847 is a prime.

It is a super-2 number, since 2×449656911² = 404382675220123842, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449656951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2270896 + ... + 2271093.

It is an arithmetic number, because the mean of its divisors is an integer number (59045870).

Almost surely, 2^449656911 is an apocalyptic number.

449656911 is a deficient number, since it is larger than the sum of its proper divisors (258893529).

449656911 is a wasteful number, since it uses less digits than its factorization.

449656911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542006 (or 4542003 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 449656911 is about 21205.1152083642. The cubic root of 449656911 is about 766.1146329997.

The spelling of 449656911 in words is "four hundred forty-nine million, six hundred fifty-six thousand, nine hundred eleven".