1449827911745 has 4 divisors (see below), whose sum is σ = 1739793494100. Its totient is φ = 1159862329392.

The previous prime is 1449827911733. The next prime is 1449827911747. The reversal of 1449827911745 is 5471197289441.

It is a happy number.

It is a Cunningham number, because it is equal to 1204088²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 521936892304 + 927891019441 = 722452^2 + 963271^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449827911745 - 2¹⁴ = 1449827895361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1449827911747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144982791170 + ... + 144982791179.

It is an arithmetic number, because the mean of its divisors is an integer number (434948373525).

Almost surely, 2^{1449827911745} is an apocalyptic number.

It is an amenable number.

1449827911745 is a deficient number, since it is larger than the sum of its proper divisors (289965582355).

1449827911745 is an equidigital number, since it uses as much as digits as its factorization.

1449827911745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289965582354.

The product of its digits is 20321280, while the sum is 62.

The spelling of 1449827911745 in words is "one trillion, four hundred forty-nine billion, eight hundred twenty-seven million, nine hundred eleven thousand, seven hundred forty-five".