1449565873 has 12 divisors (see below), whose sum is σ = 1705181220. Its totient is φ = 1228520832.

The previous prime is 1449565861. The next prime is 1449565883. The reversal of 1449565873 is 3785659441.

It can be written as a sum of positive squares in 2 ways, for example, as 274995889 + 1174569984 = 16583^2 + 34272^2 .

It is not a de Polignac number, because 1449565873 - 2⁹ = 1449565361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1449565873.

It is not an unprimeable number, because it can be changed into a prime (1449565853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161836 + ... + 170557.

It is an arithmetic number, because the mean of its divisors is an integer number (142098435).

Almost surely, 2^1449565873 is an apocalyptic number.

It is an amenable number.

1449565873 is a deficient number, since it is larger than the sum of its proper divisors (255615347).

1449565873 is an equidigital number, since it uses as much as digits as its factorization.

1449565873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332496 (or 332489 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The square root of 1449565873 is about 38073.1647358083. The cubic root of 1449565873 is about 1131.7382267192.

The spelling of 1449565873 in words is "one billion, four hundred forty-nine million, five hundred sixty-five thousand, eight hundred seventy-three".