1444765949 has 4 divisors (see below), whose sum is σ = 1576108320. Its totient is φ = 1313423580.

The previous prime is 1444765939. The next prime is 1444765951. The reversal of 1444765949 is 9495674441.

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 a de Polignac number, because none of the positive numbers 2^k-1444765949 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 1444765949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444765939) 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, 65671169 + ... + 65671190.

It is an arithmetic number, because the mean of its divisors is an integer number (394027080).

Almost surely, 2^1444765949 is an apocalyptic number.

It is an amenable number.

1444765949 is a deficient number, since it is larger than the sum of its proper divisors (131342371).

1444765949 is a wasteful number, since it uses less digits than its factorization.

1444765949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131342370.

The product of its digits is 4354560, while the sum is 53.

The square root of 1444765949 is about 38010.0769402010. The cubic root of 1444765949 is about 1130.4876765723.

The spelling of 1444765949 in words is "one billion, four hundred forty-four million, seven hundred sixty-five thousand, nine hundred forty-nine".