1449450872609 has 4 divisors (see below), whose sum is σ = 1452476866560. Its totient is φ = 1446424878660.

The previous prime is 1449450872579. The next prime is 1449450872641. The reversal of 1449450872609 is 9062780549441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1449450872609 - 2²⁴ = 1449434095393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449450872699) 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 3 ways as a sum of consecutive naturals, for example, 1512996257 + ... + 1512997214.

It is an arithmetic number, because the mean of its divisors is an integer number (363119216640).

Almost surely, 2^{1449450872609} is an apocalyptic number.

It is an amenable number.

1449450872609 is a deficient number, since it is larger than the sum of its proper divisors (3025993951).

1449450872609 is an equidigital number, since it uses as much as digits as its factorization.

1449450872609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025993950.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1449450872609 in words is "one trillion, four hundred forty-nine billion, four hundred fifty million, eight hundred seventy-two thousand, six hundred nine".