449491015 has 4 divisors (see below), whose sum is σ = 539389224. Its totient is φ = 359592808.

The previous prime is 449490991. The next prime is 449491069. The reversal of 449491015 is 510194944.

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 449491015 - 2⁵ = 449490983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44949097 + ... + 44949106.

It is an arithmetic number, because the mean of its divisors is an integer number (134847306).

Almost surely, 2^449491015 is an apocalyptic number.

449491015 is a deficient number, since it is larger than the sum of its proper divisors (89898209).

449491015 is an equidigital number, since it uses as much as digits as its factorization.

449491015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89898208.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 449491015 is about 21201.2031498215. The cubic root of 449491015 is about 766.0204048720.

The spelling of 449491015 in words is "four hundred forty-nine million, four hundred ninety-one thousand, fifteen".