1444079689 has 8 divisors (see below), whose sum is σ = 1555855560. Its totient is φ = 1332402816.

The previous prime is 1444079687. The next prime is 1444079713. The reversal of 1444079689 is 9869704441.

It can be written as a sum of positive squares in 4 ways, for example, as 177289225 + 1266790464 = 13315^2 + 35592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444079689 - 2¹ = 1444079687 is a prime.

It is a super-2 number, since 2×1444079689² = 4170732296364673442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444079683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7077 + ... + 54205.

It is an arithmetic number, because the mean of its divisors is an integer number (194481945).

Almost surely, 2^1444079689 is an apocalyptic number.

It is an amenable number.

1444079689 is a deficient number, since it is larger than the sum of its proper divisors (111775871).

1444079689 is a wasteful number, since it uses less digits than its factorization.

1444079689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49499.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 1444079689 is about 38001.0485250078. The cubic root of 1444079689 is about 1130.3086553402.

The spelling of 1444079689 in words is "one billion, four hundred forty-four million, seventy-nine thousand, six hundred eighty-nine".