449013513 has 32 divisors (see below), whose sum is σ = 661118976. Its totient is φ = 269345088.

The previous prime is 449013511. The next prime is 449013557. The reversal of 449013513 is 315310944.

It is not a de Polignac number, because 449013513 - 2¹ = 449013511 is a prime.

It is a super-2 number, since 2×449013513² = 403226269713202338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449013511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892420 + ... + 892922.

It is an arithmetic number, because the mean of its divisors is an integer number (20659968).

Almost surely, 2^449013513 is an apocalyptic number.

It is an amenable number.

449013513 is a deficient number, since it is larger than the sum of its proper divisors (212105463).

449013513 is a wasteful number, since it uses less digits than its factorization.

449013513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 449013513 is about 21189.9389569673. The cubic root of 449013513 is about 765.7490565668.

The spelling of 449013513 in words is "four hundred forty-nine million, thirteen thousand, five hundred thirteen".